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RRB JE ECE (CBT I) Mock Test- 5


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100 Questions MCQ Test RRB JE Mock Test Series for ECE | RRB JE ECE (CBT I) Mock Test- 5

RRB JE ECE (CBT I) Mock Test- 5 for Railways 2022 is part of RRB JE Mock Test Series for ECE preparation. The RRB JE ECE (CBT I) Mock Test- 5 questions and answers have been prepared according to the Railways exam syllabus.The RRB JE ECE (CBT I) Mock Test- 5 MCQs are made for Railways 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB JE ECE (CBT I) Mock Test- 5 below.
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RRB JE ECE (CBT I) Mock Test- 5 - Question 1

What should come in place of the question mark (?) in the following question?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 1

6 x 4 ÷ 2 = ?

(6×4)/2 = 12

RRB JE ECE (CBT I) Mock Test- 5 - Question 2

An equilateral triangle circumscribes all the six circles, each with a radius of 1 cm. What is the perimeter of the equilateral triangle?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 2

DE = GH = 4, ∠ADG = 60°

Then from 30 - 60 - 90 theorem

AB = AG+GH+BH

Then perimeter of △ABC = 3 ×

RRB JE ECE (CBT I) Mock Test- 5 - Question 3

Divide 800 into two parts such that the ratio of one may be to the other in the ratio 5:3?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 3

5x + 3x = 800

8x = 800

x = 100

100 × 5 = 500

100 × 3 = 300

= 500, 300

RRB JE ECE (CBT I) Mock Test- 5 - Question 4

A horse takes 2(½) seconds to complete a round around a circular field. If the speed of the horse was 66 m/s, then the radius of the field is: [Given π = 22/7 ]

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 4 Distance covered in one round

= Circumference of circle

= 2πr

Speed = 66 m/s

RRB JE ECE (CBT I) Mock Test- 5 - Question 5

In a mixture of 60 litres, the ratio of milk and water is 2 : 1. What amount of water must be added to make the ratio of milk and water as 1 : 2?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 5 Milk in the original mixture is (2/3)×60= 40 litres and water= 20 litres.

In the new mixture, the ratio of milk to water is 1 : 2.

if milk is 40 litres, water should be 80 litres;

Thus 60 litres of water must be added.

RRB JE ECE (CBT I) Mock Test- 5 - Question 6

Heena and meena start walking from a fixed point in the opposite direction at an average speed of 2 Kmph. and 4 Kmph. respectively. How many Km. Will they be apart from each other in 5 hours?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 6 Distance covered by Heena = 2 x 5 = 10 Km

Distance Covered by Meena = 4 x 5 = 20 Km

Total distance = (10 + 20) = 30Km

RRB JE ECE (CBT I) Mock Test- 5 - Question 7

A man can row 15 kmph in still water and he finds that it takes him twice as much time to row up than to row down the same distance in the river. The speed of the current is :

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 7 Let the speed of current be x kmph

∴ Downstream speed = 15 + x kmph

Upstream speed = 15 - x kmph

Let the distance be d km.

∴ Downstream time = d/15+x

Upstream time = d/15−x

According to question,

2d/15+x = d/15−x

⇒ 2(15 - x) = (15 + x)

⇒ 30 - 2x = 15 + x

⇒ 15 = 3x

⇒ x = 15/3=5

∴ speed of current = 5 kmph

RRB JE ECE (CBT I) Mock Test- 5 - Question 8

For what value of m, the system of equations mx + 2y =2 and 3x + y = 1 will be coincident?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 8 Two linear equations will coincide if there are infinite number of solutions,

for a1 x +b1 y = c1

and a2x +b2y = c2

∴ m/3 = 2/1 = 2/1

⇒ m = 6

RRB JE ECE (CBT I) Mock Test- 5 - Question 9

If the numerator of a fraction is increased by 200% and the denominator is increased by 350%, the resultant fraction is 512 . What was the original fraction?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 9 Let the original fraction be x/y

RRB JE ECE (CBT I) Mock Test- 5 - Question 10

if x+y = 25 and x2y3 +y2x3 =25, what is the value of xy?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 10

x2y3 +y2x3 =25

⇒ x2 y2 (x + y) = 25

⇒ (xy)2 (x + y) = 25

⇒ (xy)2 = 1

(∵ x + y = 25)

⇒ xy = ± 1

RRB JE ECE (CBT I) Mock Test- 5 - Question 11

The angle of elevation of the top of a tower at a point on the ground is 30o. On walking 16 meters towards the tower, the angle of elevation becomes 60o. Find the height of the tower.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 11

Rs = PR - PS

RRB JE ECE (CBT I) Mock Test- 5 - Question 12

Mohan purchased a bike for Rs 800/- including sales tax of 20%. Find the actual price of the bike?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 12 (800×100)/120 = 2000/3 = 666.67
RRB JE ECE (CBT I) Mock Test- 5 - Question 13

If 5 girls can embroider a dress in 9 days, then the number of days taken by 3 girls will be _____.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 13 Days taken by 5 girls to embroider a dress = 9 days

Days taken by 1 girl to embroider a dress = 9 x 5 days

Days taken by 3 girls to embroider a dress = 9×5/3 days = 15 days

RRB JE ECE (CBT I) Mock Test- 5 - Question 14

If p = cosec θ + cot θ, then the value of p + 1/p =

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 14 Given p = cosec θ + cot θ

⇒ 1/p = cosec θ - cot θ

P + 1/p = cosec θ + cot θ + cosec θ - cot θ = 2cosec θ

= 2/sinθ

RRB JE ECE (CBT I) Mock Test- 5 - Question 15

One man or two women or three boys can do a piece of work in 88 days. One man, one woman and one boy will do it in _____.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 15 1 man + 1 woman + 1 boy

RRB JE ECE (CBT I) Mock Test- 5 - Question 16

We have to divide a sum of Rs.13,950 among three persons A, B and C. B must get the double of A’s share and C must get Rs.50 less than the double of B’s share. The share of A will be:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 16 Let Rs. x be the part of A, then

x+ 2x + 4x - 50 = 13950

7x = 14000

x = 2000

RRB JE ECE (CBT I) Mock Test- 5 - Question 17

Find the measure of an angle which is a complement of itself.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 17 Let the measure of angle = x°

measure of its complement = x°

∴ x°+x°= 90° ⇒ x° = 45°

RRB JE ECE (CBT I) Mock Test- 5 - Question 18

sin6A+cos6A is equal to:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 18 a3 + b3 = (a+b)3 – 3ab (a+b)

Let a = sin2A, b = cos2A, so that

a + b = sin2A + cos2A = 1

⇒ sin6A+cos6A = 1- 3 sin2 A cos2 A

RRB JE ECE (CBT I) Mock Test- 5 - Question 19

The sum of the internal angles of a regular polygon is 1440°. The number of sides is:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 19 Let the number of sides of a regular polygon be n.

(n – 2) × 180 = 1440° ⇒ n = 10

RRB JE ECE (CBT I) Mock Test- 5 - Question 20

The difference in selling price of a radio at gains of 10% and 15% is Rs.30. Find the price of the radio?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 20

15 - 10 = 5% =30

Then 100% = (100×30)/5 = 600

RRB JE ECE (CBT I) Mock Test- 5 - Question 21

△ABC is a right angled at A and AD is the altitude to BC. If AB= 7cm and AC= 24cm. Find the ratio of AD is to AM if M is the midpoint of BC:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 21

∵ AM is the median of a right angled triangle.

∴ AM = BC/2 = 25/2

RRB JE ECE (CBT I) Mock Test- 5 - Question 22

DIRECTION: Study the table carefully to answer the questions that follow.

What was the respective ratio between the number of items of type-2 produced by Company M in the month of May and the number of items of type-1 produced by Company-L in the month of March?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 22 Required ratio = 666:864 = 37:48.
RRB JE ECE (CBT I) Mock Test- 5 - Question 23

A car travels 120 km from A to B at 30 kmph. but returns the same distance at 20 kmph. The average speed for the round tip is closest to:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 23 Average Speed = 2xy/x+y

= 2×30×20/30+20

= 24

RRB JE ECE (CBT I) Mock Test- 5 - Question 24

If the average weight of 6 students is 50 kg, the average weight of 2 students is 57 kg, and the average weight of 2 students is 55 kg, then the average weight of all students is?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 24 Required average weight

RRB JE ECE (CBT I) Mock Test- 5 - Question 25

In what time period Rs.100, 000,000 will amount to Rs.104,060,401 at 2% per annum at compound interest, interest being compounded half yearly?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 25 104,060,401 = 100,000,000 (1 + (1/100))2t

104,060,401/100,000,000 = (101/100) 2t

(101)4/(100)4 = (101/100) 2t

(101/100)4 = (101/100) 2t

2t = 4

t = 2 years

RRB JE ECE (CBT I) Mock Test- 5 - Question 26

ABC is a right-angled triangle, right angled at B. The external bisector of ∠A meets CB produced at D. If AC = 25 cm, BC = 7 cm, find the length, of CD.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 26

∴ BD = 7 x 24 = 168 cm

∴ CD = 7 + 168 = 175 cm

RRB JE ECE (CBT I) Mock Test- 5 - Question 27

DIRECTION: Study the table carefully to answer the questions that follow.

What was the average number of items of type-2 produced by all the companies together in the month of January?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 27 Required average= (452 + 654 + 324 + 564)/4

= 1994/4 = 498.5.

RRB JE ECE (CBT I) Mock Test- 5 - Question 28

A sum of Rs. 210 was taken as a loan. This is to be paid back in two equal installments. If the rate of interest be 10% compounded annually, then the value of each installment is

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 28 Let x be the value of installment.

Principal = Present value of x for 1 year + Present value of x for 2 years

RRB JE ECE (CBT I) Mock Test- 5 - Question 29

A child reshapes a cone made up of clay of height 24 cm and radius 6 cm into a sphere. The radius (in cm) of the sphere is

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 29

RRB JE ECE (CBT I) Mock Test- 5 - Question 30

If θ lies in the second quadrant, then is equal to:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 30

RRB JE ECE (CBT I) Mock Test- 5 - Question 31

A square sheet of paper has been folded and punched as shown below. You have to figure out from amongst the four responses how it will appear when opened.

Question Figure:

Answer Figure:

RRB JE ECE (CBT I) Mock Test- 5 - Question 32

Arrange the given words in the sequence in which they occur in the dictionary.

1- Wan

2- Want

3- Walker

4- Wag

5- Wake

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 32 The words are arranged in the dictionary order as follows:-

4- Wag

5- Wake

3- Walker

1- Wan

2- Want

RRB JE ECE (CBT I) Mock Test- 5 - Question 33

Directions

In the following question, some statements are given followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow the given statements, disregarding commonly known facts.

Statements :

1. Brown is red and blue is green.

2. Green is pink and yellow is red.

Conclusions :

I. Yellow is brown.

II. Pink is blue.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 33 Brown=Red=Yellow

Blue = Green=Pink

RRB JE ECE (CBT I) Mock Test- 5 - Question 34

In a row of trucks, Ashok is at 17th position from the left end. Bharat is 19 places to the right from Ashok and is at the exact centre of the row. How many trucks are there to the right of Ashok truck?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 34 As Ashok is at 17th position from the left end and Bharat is 19 places to the right from Ashok and is at the exact centre of the row, this means that there are 35 places before and after the place of Bharat, which is at the exact centre of the row.

So, there are 19+35 = 54 trucks to the right of Ashok.

RRB JE ECE (CBT I) Mock Test- 5 - Question 35

Directions

In these questions, statements are given followed by two conclusions I and II. You have to consider both the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions is/are definitely drawn from the given statements. Select answer as: (A) If only I follows (B) If only II follows (C) If neither I nor II follows (D) If both I and II follows

Statement:

No clocks are watches

No ornaments are clocks

Conclusion:

I. Some watches are ornaments

II. All ornaments are watches

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 35

None of the conclusions is a definite case.

Hence, neither I nor II follows

RRB JE ECE (CBT I) Mock Test- 5 - Question 36

Rahul and Robin are brothers. Pramod is Robin’s father. Sheela is Pramod’s sister. Prema is pramod’s niece. Shubha is Sheela's grand-daughter. How is Rahul related to Shubha?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 36 Shubha is the granddaughter of Sheela. She is the sister of Pramod.

Rahul is the son of Pramod.

Therefore Rahul is the uncle of shubha.

RRB JE ECE (CBT I) Mock Test- 5 - Question 37

In the following question, select the odd number pair from the given alternatives.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 37

The Pattern is as follows:-

2×2=4+1=5

4×2=8+1=9

12×2=24+1=25

But,

14×2=28+1=29 ≠ 27

RRB JE ECE (CBT I) Mock Test- 5 - Question 38

Directions

Given below is a statement followed by 2/3 Assumptions. An assumption is something not written directly but can be considered as the implicit understanding before writing any text, document or writing. Choose the implicit assumption in the following question:

Statement :

Like a mad man,

I decided to follow him.

Assumptions :

I. I am not a mad man.

II. I am a mad man.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 38 The words 'Like a mad man' show that either a person is really mad or he is not mad but acted like mad. So, either I or II is implicit.
RRB JE ECE (CBT I) Mock Test- 5 - Question 39

Directions

For the Assertion (A) and Reason (R) below, choose the correct alternative from the following

Assertion (A):

Forest cover in the country has gradually decreased.

Reason (R):

Encroachment by humans is one of the concerns for the forest department.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 39 Both A and R are true and R is the correct explanation of A, as Encroachment by humans is one of the concerns for the forest department for the reduction of Forest cover .
RRB JE ECE (CBT I) Mock Test- 5 - Question 40

Directions

In the following question, some statements are given followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow the given statements, disregarding commonly known facts.

Statements:

I. No statues are icons

II. Some busts are statues

Conclusions:

I. No icons are busts

II. All busts are icons

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 40 As some busts are statues and no statues are icons, so we can say that some busts are not icons but we can’t say that no icons are busts or all busts are icons, therefore neither conclusion I nor conclusion II follows.

RRB JE ECE (CBT I) Mock Test- 5 - Question 41

Directions

In these questions, statements are given followed by two conclusions I and II. You have to consider both the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions is/are definitely drawn from the given statements. Select answer as: (A) If only I follows (B) If only II follows (C) If neither I nor II follows (D) If both I and II follow

Statements:

All mothers are aunts.

All aunts are ladies.

Conclusions:

I. All ladies are mothers.

II. All ladies are aunts.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 41

As per the above Venn-diagram both conclusion I and II is not a definite case. So, neither conclusion I nor II follows.

RRB JE ECE (CBT I) Mock Test- 5 - Question 42

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example, ‘D’ can be represented by 12, 34, etc, and ‘R’ can be represented by 55, 97, etc. Similarly, you have to identify the set of the word “PLUS”

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 42

(a) 69,21,58,77--------P, L, U, S

(b) 14,99,34,66--------K, V, D, T

(c) 24,68,43,79--------K, T, G, Q

(d) 43,58,24,55--------G, U, K, W

Thus the set of numbers for the word ‘PLUS’ is 69,21,58,77

RRB JE ECE (CBT I) Mock Test- 5 - Question 43

In a certain code language, “PROP” is written as “67” and “RATE” is written as “46”. How is “MOCK” written in that code language?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 43

The Pattern is as follows:-

P+R+O+P=16+18+15+16=65+2=67

R+A+T+E=18+1+20+5=44+2=46

Similarly,

M+O+C+K=13+15+3+11=42+2=44

RRB JE ECE (CBT I) Mock Test- 5 - Question 44

Directions

In the following problems, there is one question and some statements given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find out which of the statements is/are sufficient to answer the given question. Choose the correct alternative for each question.

The last Sunday of March, 2013 fell on which date?

I. The first Sunday of that month fell on the 5th.

II. The last day of that month was Friday.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 44

Statement either I or II is sufficient to answer the Question

RRB JE ECE (CBT I) Mock Test- 5 - Question 45

Directions

In each of the following questions, select the related word/letters/number from the given alternatives.

Police : Criminals : : ? : ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 45 As Criminals are handled by Police, Similarly patients are handled by Doctor.
RRB JE ECE (CBT I) Mock Test- 5 - Question 46

A woman starts walking from her village to a town. She walks 4.5 km North, then turns West and walks 2 km, then turns South and walks 4.5 km, then turns to her right and walks 6 km. Where is she now with reference to her starting position?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 46 So, she is 8 km West with reference to her starting position.
RRB JE ECE (CBT I) Mock Test- 5 - Question 47

Directions

In the following problems, there is one question and some statements given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find out which of the statements is/are sufficient to answer the given question. Choose the correct alternative for each question.

In which direction is Ravi facing ?

I. Ashok is to the right of Ravi.

II. Samir is sitting second to the left of Ashok who is facing north.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 47 The data even in both statements I and II together are not sufficient to answer the Question.
RRB JE ECE (CBT I) Mock Test- 5 - Question 48

In the Question, a statement is followed by two courses of action numbered I and II. Assume everything in the statement to be true, and decide which of the suggested courses of action logically follow(s) for pursuing.

Statement:

"New students of our college get frightened by ragging. The ragging prevalent in our college is also creating a bad name for our college".

Course of action:

I. The college authorities take stringent action against those who are involved.

II. A strict anti ragging law should be passed to control ragging in our college.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 48 Obviously, there is a need to control the ragging menace. In such a case both options are correct. Hence, option (C) is the answer.
RRB JE ECE (CBT I) Mock Test- 5 - Question 49

Select the odd one out from the given alternatives.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 49 The Pattern is as follows:-

31+2=33, 33+2=35

41+2=43, 43+2=45

43+2=45, 45+2=47

But,

33+2=35≠37

RRB JE ECE (CBT I) Mock Test- 5 - Question 50

Which of the following terms follows the trend of the given list?

QPQPQRPQP, QPQPRQPQP, QPQRPQPQP, QPRQPQPQP, QRPQPQPQP, ____.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 50 QPQPQRPQP, QPQPRQPQP, QPQRPQPQP, QPRQPQPQP, QRPQPQPQP, RQPQPQPQP

In this series, Letter 'R' moves one step in each successive step in the left direction so that in the last it comes on first place.

RRB JE ECE (CBT I) Mock Test- 5 - Question 51

A man leaves his home for work on his motorcycle. He goes 5 km South, then turns to his left and travels 6 km, then turns South and travels 13 km then turns West and travels 6 km to reach his office. Where is his office with reference to his home?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 51 So, his office is 18 km south with respect to Home.
RRB JE ECE (CBT I) Mock Test- 5 - Question 52

If 2%1 = 30, 6%2 = 80 and 2%5 = 70, then find the value of 4%1 = ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 52 The Pattern is as follows:-

2+1=3, 3×10=30

6+2=8, 8×10=80

2+5=7, 7×10=70

Similarly,

4+1=5, 5×10=50

RRB JE ECE (CBT I) Mock Test- 5 - Question 53

From the given alternatives, according to the dictionary, which word will come at the FOURTH position?

1- Camera

2- Candy

3- Candle

4- Camel

5- Cactus

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 53 The words are arranged in the dictionary order as follows:-

5- Cactus

4- Camel

1- Camera

3- Candle

2- Candy

So, CANDLE will come in the FOURTH position.

RRB JE ECE (CBT I) Mock Test- 5 - Question 54

In a row, Pankaj is at 29th position from left and 33rd position from right. How many boys are there in the row ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 54 Total Boys in the row = Position of Pankaj from (left + Right) -1

= 29+33-1

= 61

RRB JE ECE (CBT I) Mock Test- 5 - Question 55

If National day of any country was celebrated on the fourth Sunday of month 'X' then find out on which date National day was celebrated if the first day of that month was Wednesday ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 55 1st day is wed. That means 1st Sunday will be on 5th, 2nd on 12, 3rd on 19 and 4th on 26.
RRB JE ECE (CBT I) Mock Test- 5 - Question 56

First Swachh Survekshan was conducted in:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 56

As a prelude to encouraging cities to improve urban sanitation, the Ministry of Housing and Urban Affairs (MoHUA) had conducted ‘Swachh Survekshan-2016’ survey for ranking 73 cities in January 2016.

RRB JE ECE (CBT I) Mock Test- 5 - Question 57

Who has been appointed as the new CM of Madhya Pradesh?

RRB JE ECE (CBT I) Mock Test- 5 - Question 58

Which one of the following is the longest river?

RRB JE ECE (CBT I) Mock Test- 5 - Question 59

Where was the eleventh session of India – Czech Republic Joint Commission on Economic Cooperation (JCEC) held on 22nd – 23rd October 2018?

RRB JE ECE (CBT I) Mock Test- 5 - Question 60

Blue Revolution is related to__________.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 60 The water equivalent of the green revolution is the Blue revolution, and on the primary basis it is referred to as the management of water resources that can steer humanity to achieve drinking water and crop irrigation security. In other contexts, it refers to aquaculture or fish farming. The term “blue revolution'' is referred to as the remarkable emergence of aquaculture as an important and highly productive agricultural activity. All forms of active culturing of aquatic animals and plants, occurring in marine, brackish, or fresh waters is generally referred to as “Aquaculture”.
RRB JE ECE (CBT I) Mock Test- 5 - Question 61

Right to education to all children between the age of 6 to 14 years is?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 61

The 86th Amendment Act 2002 had made the following changes in our constitution: Change in Fundamental Rights: A new article 21A was inserted below the Article 21 which made Right to Education a Fundamental Right for children in the range of 6-14 years. This article reads: “The State shall provide free and compulsory education to all children of the age of six to fourteen years in such manner as the State may, by law, determine”. It made education for all children below 6 years a Directive Principle for State Policy (DPSP). It made the opportunities for education to a child a Fundamental duty of the parents of the children.

RRB JE ECE (CBT I) Mock Test- 5 - Question 62

Gulmarg is a hill station in ___________.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 62 Jammu and Kashmir. Gulmarg ("Meadow of Flowers") is a town, a hill station, a popular skiing destination and a notified area committee in Baramulla district in the Indian state of Jammu and Kashmir. The town is situated in the Pir Panjal range in the western the Himalayas and is within miles of the Line of Control between India and Pakistan.
RRB JE ECE (CBT I) Mock Test- 5 - Question 63

With which of these countries has India signed 17 agreements for cooperation in various sectors like areas of defence, space, health and agriculture?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 63 India and Uzbekistan inked 17 agreements on Monday, including in the areas of defence, space, health and agriculture.
RRB JE ECE (CBT I) Mock Test- 5 - Question 64

Gross Domestic Product (GDP) is defined as the value of all

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 64 The gross domestic product (GDP) is one of the primary indicators used to gauge the health of a country's economy. It represents the total dollar value of all goods and services produced over a specific time period; you can think of it as the size of the economy.
RRB JE ECE (CBT I) Mock Test- 5 - Question 65

Recently, COP 24 is in the news. It is related with:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 65 The Union Cabinet chaired by Prime Minister Shri Narendra Modi has given its ex-post facto approval to the negotiating stand of India at the 24th Conference of Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC) held in Katowice, Poland from 2-15 December 2018.
RRB JE ECE (CBT I) Mock Test- 5 - Question 66

"Hand in Hand" joint military exercise concluded between which of the following countries?

RRB JE ECE (CBT I) Mock Test- 5 - Question 67

Who is considered as the Architect of the India Constitution?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 67 The chief architect of the Indian constitution was B.R. Ambedkar. The Indian constitution which was drafted by Ambedkar has been described as first and foremost a social document. The majority of India’s constitutional provisions are either directly arrived at furthering the aim of social revolution or attempt to foster this revolution by establishing conditions necessary for its achievement by Granville Austin.
RRB JE ECE (CBT I) Mock Test- 5 - Question 68

Every year Earth Day is observed on …………

RRB JE ECE (CBT I) Mock Test- 5 - Question 69

The Battle of Plassey was fought in -

RRB JE ECE (CBT I) Mock Test- 5 - Question 70

Dr K Sivan is the Chairman of:

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 70 Indian Space Research Organisation (ISRO) Chairman Dr K Sivan has said that the Union Government has allocated 10,900 crore rupees for the development of 40 satellite launch vehicles in the next four years.
RRB JE ECE (CBT I) Mock Test- 5 - Question 71

If the gravitational acceleration at any place is doubled, then the weight of body will be

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 71 If the gravitational acceleration at any place is doubled, then the weight of body will be 2g
RRB JE ECE (CBT I) Mock Test- 5 - Question 72

If at high altitudes, birds become rare, the plants likely to disappear are

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 72 Rhododendron /ˌroʊdəˈdɛndrən/ (from Ancient Greek ῥόδον rhódon "rose" and δένδρον déndron "tree") is a genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous, and found mainly in Asia, although it is also widespread throughout the highlands of the Appalachian Mountains of North America. It is the national flower of Nepal as well as the state flower of West Virginia and Washington. Most species have brightly coloured flowers which bloom from late winter through to early summer.[Rhododendron /ˌroʊdəˈdɛndrən/ (from Ancient Greek ῥόδον rhódon "rose" and δένδρον déndron "tree") is a genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous, and found mainly in Asia, although it is also widespread throughout the highlands of the Appalachian Mountains of North America. It is the national flower of Nepal as well as the state flower of West Virginia and Washington. Most species have brightly coloured flowers which bloom from late winter through to early summer.

If at high altitudes, birds become rare, the plants likely to disappear are Rhododendron

RRB JE ECE (CBT I) Mock Test- 5 - Question 73

In blanking operation clearance is provided on

RRB JE ECE (CBT I) Mock Test- 5 - Question 74

In graphite, electrons are _______

RRB JE ECE (CBT I) Mock Test- 5 - Question 75

Focal length of a convex lens is maximum for

RRB JE ECE (CBT I) Mock Test- 5 - Question 76

The hardest substance available in earth is ____

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 76 Diamond is very hard. The hardness of diamond is due to the structure of its carbon atoms. In diamond each carbon atom is bonded to four other carbon atoms which forms a giant, three dimensional structure.
RRB JE ECE (CBT I) Mock Test- 5 - Question 77

Which of the following is a non-metal that remains liquid at room temperature ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 77 Room temperature is usually taken as being 25°C, at this temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids.
RRB JE ECE (CBT I) Mock Test- 5 - Question 78

The formula of Plaster of Paris is _____

RRB JE ECE (CBT I) Mock Test- 5 - Question 79

A body moving in a circular path with constant speed has

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 79 A body moving at constant speed in a circular path experience an acceleration directed towards the centre of the circular path. This acceleration is called a centripetal acceleration and is provided by a centripetal force. In the circular motion situation, even if the speed is constant the acceleration changes all the time as the direction keeps on changing.
RRB JE ECE (CBT I) Mock Test- 5 - Question 80

In a National Park protection is provided to

RRB JE ECE (CBT I) Mock Test- 5 - Question 81

If we throw a Stone with some speed in a horizontal direction it follows a ……………. path as it falls to the ground.

RRB JE ECE (CBT I) Mock Test- 5 - Question 82

Radar is used to

RRB JE ECE (CBT I) Mock Test- 5 - Question 83

Which of the following has a maximum metallic character?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 83 As we move down the group in the periodic table, metallic character increases.
RRB JE ECE (CBT I) Mock Test- 5 - Question 84

The purest form of iron is ____

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 84 Wrought iron: Wrought Iron is the purest form of Iron. It contains 0.12–0.25 carbon.
RRB JE ECE (CBT I) Mock Test- 5 - Question 85

Molecular mass of sulphurous acid is ____.

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 85 Molecular mass of H2SO3 sum of individual atomic masses

= 2 x 1 + 1 x 32 + 3 x 16 = 82

RRB JE ECE (CBT I) Mock Test- 5 - Question 86

Caustic Soda is ____

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 86 Caustic soda is a solution of Sodium hydroxide (NaOH) in water. It is a strong base with a wide range of applications in different industries. We produce caustic soda together with chlorine and hydrogen from the electrolysis of salt brine.
RRB JE ECE (CBT I) Mock Test- 5 - Question 87

In wind power, which form of energy is converted into electrical energy?

RRB JE ECE (CBT I) Mock Test- 5 - Question 88

Which instrument is used for measuring relative humidity?

RRB JE ECE (CBT I) Mock Test- 5 - Question 89

Which one of the following has maximum genetic diversity in India

RRB JE ECE (CBT I) Mock Test- 5 - Question 90

What is the key ingredient of Vinegar that you use in your diet ?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 90 Acetic acid : Vinegar is a liquid consisting of about 5–20% acetic acid (CH3COOH), water, and other chemicals, which may include flavorings.
RRB JE ECE (CBT I) Mock Test- 5 - Question 91

If petrol is used in a diesel engine, then

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 91 Diesel doesn't ignite so well, but burns much better through compression. Petrol engines inject the air/fuel mixture and then use spark plugs to ignite the mixture just after a piston reaches top dead centre. Diesel engines compress air, and then add air/fuel mixture. As a result they run hotter. So Dark and black smoke will be produced
RRB JE ECE (CBT I) Mock Test- 5 - Question 92

Electricity is produced through dry cell from

RRB JE ECE (CBT I) Mock Test- 5 - Question 93

X-rays were discovered by -

RRB JE ECE (CBT I) Mock Test- 5 - Question 94

Electron was discovered by:-

RRB JE ECE (CBT I) Mock Test- 5 - Question 95

The unit of solid angle is

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 95 The unit of solid angle is 9.46 × 108 km
RRB JE ECE (CBT I) Mock Test- 5 - Question 96

Which of the following roofs provide better protection against fire ?

RRB JE ECE (CBT I) Mock Test- 5 - Question 97

‘Piped Natural Gas(PNG) Is used for

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 97 PNG is mainly methane CH4 with a small percentage of other higher hydrocarbons. The ratio of carbon to hydrogen is least in methane hence it burns almost completely making it the cleanest fuel. Domestic PNG customers, also known as Residential customers, use gas for cooking purposes and also for heating water through gas geysers.
RRB JE ECE (CBT I) Mock Test- 5 - Question 98

The ionosphere is mainly composed of

RRB JE ECE (CBT I) Mock Test- 5 - Question 99

What principle/law explains the working of the hydraulic brakes in automobiles?

Detailed Solution for RRB JE ECE (CBT I) Mock Test- 5 - Question 99 Hydraulic brakes work on the principle of Pascal’s law which states that “pressure at a point in a fluid is equal in all directions in space”. According to this law when pressure is applied on a fluid it travels equally in all directions so that uniform braking action is applied on all four wheels. The hydraulic brake is an arrangement of braking mechanism which uses brake fluid, typically containing ethylene glycol, to transfer pressure from the controlling unit, which is usually near the operator of the vehicle, to the actual brake mechanism, which is usually at or near the wheel of the vehicle.
RRB JE ECE (CBT I) Mock Test- 5 - Question 100

is called the Powerhouse’ of cell—

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