RRB Group D Mock Test - 7 - Railways MCQ

# RRB Group D Mock Test - 7 - Railways MCQ

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## 100 Questions MCQ Test - RRB Group D Mock Test - 7

RRB Group D Mock Test - 7 for Railways 2024 is part of Railways preparation. The RRB Group D Mock Test - 7 questions and answers have been prepared according to the Railways exam syllabus.The RRB Group D Mock Test - 7 MCQs are made for Railways 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB Group D Mock Test - 7 below.
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RRB Group D Mock Test - 7 - Question 1

### A father said to his son, " I was as old as you are at present at the time of your birth." If the father's age is 38 years now, the son's age five years back was:

Detailed Solution for RRB Group D Mock Test - 7 - Question 1

Let the son's age 5 years back be x.
∴ Present age of son = x + 5
∴ 38 - (x + 5) = (x + 5)
or 38 - 5 - 5 = 2x
or x = 28/2 = 14 years

RRB Group D Mock Test - 7 - Question 2

### If 2x+y=5, then 4x+2y is equal to

RRB Group D Mock Test - 7 - Question 3

### The area of a rectangle is 4 times the area of a square. The length of the rectangle is 90 cms and the breadth of the rectangle is 2/3 of the side of the square. What is the side of the square?

Detailed Solution for RRB Group D Mock Test - 7 - Question 3

Let the side of the square = x cm
Then breadth of the rectangle = 2/3 x
∴ Area of rectangle = (90 x 2/3 x) cm2
= 60 x cm2
∵ 60 x = 4x2
⇒ x = 15 cm
So the side of the square = 15 cm

RRB Group D Mock Test - 7 - Question 4
The average age of 8 persons is increased by 2 yrs, when one of them, whose age is 24 yrs is replaced by a new person. The age of the new person is
RRB Group D Mock Test - 7 - Question 5
If Neena says, "Anita's father Raman is the only son of my father-in-law Mahipal", then how is Bindu, who is the sister of Anita, related to Mahipal ?
RRB Group D Mock Test - 7 - Question 6
Which one of the following statements is false ?
RRB Group D Mock Test - 7 - Question 7
A boat has to travel upstream 20 km distance from point X of a river to point Y. The total time taken by boat in travelling from point X to Y and Y to X is 41 min 40 sec. What is the speed of the boat?
RRB Group D Mock Test - 7 - Question 8
The original name of Mahabharata is
RRB Group D Mock Test - 7 - Question 9
Choose the analogous pair.
Train : Track
RRB Group D Mock Test - 7 - Question 10
Choose the word which is least like the other words in the group .
RRB Group D Mock Test - 7 - Question 11
In a certain code BREAK is written as ASDBJ. How is SOLAR written in that code?
RRB Group D Mock Test - 7 - Question 12
Complete the analogous pair.
Plant : Botany : : Bird : ?
RRB Group D Mock Test - 7 - Question 13
The difference between the simple interest on certain sum of money at 6% p.a for 10 yrs and at 5% p.a for 2 yrs is Rs 100. Find the sum.
RRB Group D Mock Test - 7 - Question 14
Find the number of squares in the given figure.
RRB Group D Mock Test - 7 - Question 15
What is the currency of Hong Kong?
RRB Group D Mock Test - 7 - Question 16
The 'basic feature' doctrine was invented by Supreme Court in
RRB Group D Mock Test - 7 - Question 17
Real is the currency of
RRB Group D Mock Test - 7 - Question 18
Five persons are sitting in a row. One of the two persons at the extreme ends is intelligent and the other one is fair. A fat person is sitting to the right of a weak person. A tall person is to the left of the fair person and the weak person is sitting between the intelligent and fat persons.
Tall person is at which place counting from right?
RRB Group D Mock Test - 7 - Question 19
Under the Dual Citizenship Act, 2003, a PIO acquiring dual citizenship will not have
I. right to vote in Lok Sabha state assembly and Panchayati elections
II. right to vote in Lok Sabha and state assembly elections
III. right to equality of opportunity in employment (Art.16)
IV right to appointed as a Governor
RRB Group D Mock Test - 7 - Question 20
According to the latest government notification, the 8% Savings Bonds Scheme (RBI Bonds Scheme) is being replaced by _____ Savings Bonds Scheme
RRB Group D Mock Test - 7 - Question 21
Which State Government announced that it would be obtaining electric vehicles under the Central Governmentâ€™s Faster Adoption and Manufacturing of (Hybrid &) Electric Vehicles in India (FAME-India) Scheme?
RRB Group D Mock Test - 7 - Question 22
The famous Rock Garden is located in which city?
RRB Group D Mock Test - 7 - Question 23
Shovana Narayana is a reputed personality in which of the following fields?
RRB Group D Mock Test - 7 - Question 24
Where do you place disc so that computer could read ?
RRB Group D Mock Test - 7 - Question 25
Which one of the following is a stored program machine?
RRB Group D Mock Test - 7 - Question 26
According to 2001 census urbanrural population ratio is aboutâ€”
RRB Group D Mock Test - 7 - Question 27
Gross domestic product is defined as the value of all-
RRB Group D Mock Test - 7 - Question 28
Which place is known as Queen of the Arabian Sea?
RRB Group D Mock Test - 7 - Question 29
Israel has which type of main industrial activity :
RRB Group D Mock Test - 7 - Question 30
Identify the first ruler of Vijaynagar who captured Goa from the Bahmanides
RRB Group D Mock Test - 7 - Question 31
Bhana Bhata wrote
RRB Group D Mock Test - 7 - Question 32
Read the following statment and choose the correct option.
Transfer of heat energy from a heater coil to the cooking vessel takes place through the process of
RRB Group D Mock Test - 7 - Question 33
Super conductivity results when matter is
RRB Group D Mock Test - 7 - Question 34
When dispersion of white light takes place through a prism, the maximum deviation is suffered by which one of the following colours?
RRB Group D Mock Test - 7 - Question 35
Why are noble gases called so?
RRB Group D Mock Test - 7 - Question 36
Consider the following statements :
A simple pendulum is set into oscillation. Then
1. The acceleration is zero when the bob passes through the mean position.
2. In each cycle the bob attains a given velocity twice.
3. Both acceleration and velocity of the bob are zero when it reaches its extreme position during its oscillation.
4. The amplitude of oscillation of the simple pendulum decreases with time.
Which of these statements are correct?
RRB Group D Mock Test - 7 - Question 37
Insect-resistant cotton plants have been genetically engineered by inserting a gene from a/an
RRB Group D Mock Test - 7 - Question 38
Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?
RRB Group D Mock Test - 7 - Question 39
The colour of a star is an indication of its
RRB Group D Mock Test - 7 - Question 40
Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
RRB Group D Mock Test - 7 - Question 41
An air bubble in water will act like a
RRB Group D Mock Test - 7 - Question 42
Corpus lutcum is a mass of cells found in
RRB Group D Mock Test - 7 - Question 43
The speed of light will be minium while passing through
RRB Group D Mock Test - 7 - Question 44
Which country approved the usage of Chinese currency, Yuan, for bilateral trade with China?
RRB Group D Mock Test - 7 - Question 45
Find the missing character.
Detailed Solution for RRB Group D Mock Test - 7 - Question 45
In the first column, 17-11=25-19=6.
In the second column, 12-6=34-28=6.
Let the missing number in the third column be x.
Then, x-8=19-11=8 or x=16.
RRB Group D Mock Test - 7 - Question 46
If the first and the second Letter in the word 'INORDINATE' were interchanged, so also the third and the fourth, the fifth and the sixth and so on, which letter would be the eighth counting to your left ?
Detailed Solution for RRB Group D Mock Test - 7 - Question 46
After interchanging the word is
NIROIDANET
So letter eighth from the left is R
RRB Group D Mock Test - 7 - Question 47
Mark the wrong combination
RRB Group D Mock Test - 7 - Question 48
Which of the following combination of figures best represents Young creatures, Colts and Horses?
RRB Group D Mock Test - 7 - Question 49
Which is the first country in the world to legalise equal pay for men and women for the same work?
RRB Group D Mock Test - 7 - Question 50
Arrange the words given below in a meaningful sequence.
1. Never 2. Sometimes 3. Generally 4. Seldom 5. Always
RRB Group D Mock Test - 7 - Question 51

20 litres of a mixture contains 20% alcohol and the rest water. If 5 litres of water be mixed in it, the percentage of alcohol in the new mixture will be

Detailed Solution for RRB Group D Mock Test - 7 - Question 51

Initially, the mixture contains 4 litres of alcohol and 16 litres of water
Then the mixture contains 4 litres of alcohol and 21 litres of water
∴ Percentage of alcohol = ( 4/25 x 100) = 16%

RRB Group D Mock Test - 7 - Question 52
Which state government launched a special police force to safeguard tourists?
RRB Group D Mock Test - 7 - Question 53
Which Police Station in TamilNadu has been adjudged as the best police station in India in SMART Police Stations initiative of Union Ministry of Home Affairs (MHA)?
RRB Group D Mock Test - 7 - Question 54
Complete the analogous pair.
246 : 36, 16, 04 :: 357 : ?
Detailed Solution for RRB Group D Mock Test - 7 - Question 54
246 : 36, 16, 04
The pattern is:
246 : 62, 42, 22
i.e. 246 â†’ 642
â‡’ 357 â†’ 753
i.e. 357 : 49, 25, 09
RRB Group D Mock Test - 7 - Question 55

Which is the number that comes next in the sequence :
0, 6, 24, 60, 120, 210 ?

Detailed Solution for RRB Group D Mock Test - 7 - Question 55

0, 6, 24, 60, 120, 210, ?
1 x 2 x 3 = 6
2 x 3 x 4 = 24
3 x 4 x 5 = 60
4 x 5 x 6 = 120
5 x 6 x 7 = 210
6 x 7 x 8 = 336

RRB Group D Mock Test - 7 - Question 56
What is the 507th term of the sequence 1, -1, 2, -2, 1, -1, 2, -2, 1,...?
Detailed Solution for RRB Group D Mock Test - 7 - Question 56
Here 3, 7, 11, ....., terms form a series with common difference4
So, nth term is 4n - 1
If 4n - 1 = 507, n = 127
Hence, 507th term would also be 2
RRB Group D Mock Test - 7 - Question 57
A and B are partners in a business. A contributes 1/4 of the capital for 15 months and B received 2/3 of the profit. Find for how long B's money was used?
RRB Group D Mock Test - 7 - Question 58
The well known Padma Bhushan awardee Pandit Buddhadev Dasgupta, who passed away in 2018, was an Indian classical musician who played __________
RRB Group D Mock Test - 7 - Question 59
Gopal spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs 18,400, how much money does he save every month?
RRB Group D Mock Test - 7 - Question 60
Who has been conferred with the 1st Mufti Mohammad Sayeed Award for Probity in Politics and Public Life?
RRB Group D Mock Test - 7 - Question 61
Two pipes can fill a tank in 2 hrs and 3 hrs separately, How many minutes they will take to fill the tank when both are opened together?
RRB Group D Mock Test - 7 - Question 62
Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.
RRB Group D Mock Test - 7 - Question 63

Two trains each 120 metres in length, run in opposite directions with velocities of 40 m/sec and 20 m/sec respectively. How long will it take for the tail end of the two trains to meet each other from the time their engines crossed each other?

Detailed Solution for RRB Group D Mock Test - 7 - Question 63

Relative speed = (40 + 20) m/s
= 60 m/s
Distance covered = (120 + 120)m = 240 m
∴ Required Time = 240 x 1/60 = 4 sec

RRB Group D Mock Test - 7 - Question 64
A shopkeeper marked his goods at 20% above the cost price. He sold half the stock at the marked price, one quarter at a discount of 20% on the marked price and the rest at a discount of 40% on the marked price. His total gain is:
RRB Group D Mock Test - 7 - Question 65
Examine the following statements:
1) Rama scored more than Rani.
2) Rani scored less than Ratna.
3) Ratna scored more than Rama.
4) Padma scored more than Rama but less than Ratna.
Who scored the highest?
RRB Group D Mock Test - 7 - Question 66
The ratio between the present ages of P and Q is 5:8. After 4 years, the ratio between their ages will be 2:3. What is Q's age at present?
RRB Group D Mock Test - 7 - Question 67
Name the demon who took the form of an enchanted golden deer to attract Sita.
RRB Group D Mock Test - 7 - Question 68
Which country has developed a new underwater surveillance network which will help its submarines to accurately track target vessels and will protect its interests in the Indian Ocean and South China Sea?
RRB Group D Mock Test - 7 - Question 69
Urea is prepared by the chemical reaction of :
RRB Group D Mock Test - 7 - Question 70
Polio myelitis which causes polio is spread by :
RRB Group D Mock Test - 7 - Question 71
Which of the follwing components of solar radiation cause sunburn ?
RRB Group D Mock Test - 7 - Question 72
A body partially floats in water when :
RRB Group D Mock Test - 7 - Question 73
To increase alternative current (AC) flow which one of the following is used ?
RRB Group D Mock Test - 7 - Question 74
The colour of an opaque object is due to the colour it
RRB Group D Mock Test - 7 - Question 75
Acetyl salicylic acid is used commonly as :
RRB Group D Mock Test - 7 - Question 76

The simple interest on a certain principal at the rate of 9.5% pa is Rs 950 for 2 yrs. How much will be the additional interest on the same amount for the same period at the rate of 10.5% per annum?

Detailed Solution for RRB Group D Mock Test - 7 - Question 76

Simple interest = PRT/100
950 = P x 9.5 x 2/100
⇒ 19P = 95000
⇒ P = 95000/19 = 5000
New SI at the rate of 10.5% per annum
SI = PRT/100 = 5000 x 10.5 x 2/100 = 1050
Difference = 1050 - 950 = Rs 100

RRB Group D Mock Test - 7 - Question 77
The greatest number which when divides 989 and 1327 leaves remainders 5 and 7 respectively, is
Detailed Solution for RRB Group D Mock Test - 7 - Question 77
989 - 5 = 984
1327 - 7 = 1320
H.C.F. of 984 and 1320 is 24
Hence required number is = 24
RRB Group D Mock Test - 7 - Question 78
A person travels 3.5 km from place A to place B. Out of this distance, he travels 1.66 km on bicycle, 1.16 km on scooter and the rest on foot. What portion of the whole distance does he cover on foot?
Detailed Solution for RRB Group D Mock Test - 7 - Question 78

The portion of whole distance cover on foot is $\frac{0.68}{3.5}$ = $\frac{68}{350}$ = $\frac{4}{21}$
RRB Group D Mock Test - 7 - Question 79
Shiny Wilson is associated with which of the following games/sports?
RRB Group D Mock Test - 7 - Question 80
The Sports Minister launched the three-stroke Khelo India logo recently in New Delhi at the Nehru Stadium. The logo has been designed by ________
RRB Group D Mock Test - 7 - Question 81
Which state hosted the 2nd edition of the Elite Womenâ€™s National Boxing Championship?
RRB Group D Mock Test - 7 - Question 82
Below is given statement followed by three conclusions numbered I, II and III. You have to consider the statement and the following conclusions and decide which of the conclusions is follows in the statement :
Statements :a. Some birds are balloons.
b. Some balloons are balls.
c. All balls are books.
Conclusions:I. Some birds are balls.
II. Some balloons are books.
III. Some books are birds.
RRB Group D Mock Test - 7 - Question 83
A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?
RRB Group D Mock Test - 7 - Question 84
Two towns A and B are 100 km apart. A school is to be built for 100 students of town A. Expenditure on transport is Rs. 1.20 per km per student. If the total expenditure on transport by all 130 students is to be as small as possible, then the school should be built at :
RRB Group D Mock Test - 7 - Question 85

sin 50- sin 70+ sin 10 is equal to

RRB Group D Mock Test - 7 - Question 86

A circus tent is cylindrical up to a height of 5m and conical above it. If its diamter is 105 m and slant height of the conical portion is 53 m. The area of the canvas used to build the tent is

Detailed Solution for RRB Group D Mock Test - 7 - Question 86

Given height of cylinder (h) = 5m
Deameter of conical part d = 105m
So, radius of conical part (r) = radius of cylindrical part (r) = 52.5m
Slant height of conical portion (l) = 53m
Area of canvas required = CSA of cylindrical part + CSA of conical part

RRB Group D Mock Test - 7 - Question 87
If first letter is interchanged by second, third by fourth, fifth by sixth and so on in the word HABILITATE then which will be the 8th letter from your left in the new word?
RRB Group D Mock Test - 7 - Question 88
Which of the following are at present members of the Trusteeship Council of the UN?
RRB Group D Mock Test - 7 - Question 89

Each of the following questions consists of two sets of figures. Figures 1,2,3 and 4 constitute the Problem Set while figures A,B,C,D and E constitute the Answer Set. There is a definite relationship between figures 1 and 2. Establish a similar relationship between figures 3 and 4 by selecting a suitable figure from the Answer Set .

RRB Group D Mock Test - 7 - Question 90

In the following problem, out of the five figures marked 1, 2, 3, 4, and 5, four are similar in a certain manner. However one figure is not like the other four. Choose the figure which is different from the rest.

Detailed Solution for RRB Group D Mock Test - 7 - Question 90

Only if fig. (4), all the leaves have their outer halves shaded.