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RRB Group D Mock Test - 1


100 Questions MCQ Test RRB (Group D) - Mock Tests & Previous Year Papers | RRB Group D Mock Test - 1


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This mock test of RRB Group D Mock Test - 1 for Railways helps you for every Railways entrance exam. This contains 100 Multiple Choice Questions for Railways RRB Group D Mock Test - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this RRB Group D Mock Test - 1 quiz give you a good mix of easy questions and tough questions. Railways students definitely take this RRB Group D Mock Test - 1 exercise for a better result in the exam. You can find other RRB Group D Mock Test - 1 extra questions, long questions & short questions for Railways on EduRev as well by searching above.
QUESTION: 1

Ashu's mother was three times as old as Ashu 5 yrs ago. After 5 yrs, she will be twice as old as Ashu. How old is Ashu today?

Solution:

Let the present age of Ashu's mother and Ashu be x and y respectively.
(x - 5) = 3 (y - 5)
⇒ x - 5 = 3y - 15
⇒ x - 3y = - 10 .....(i)

After 5 years:
(x + 5) = 2 (y + 5)
⇒ x + 5 = 2y + 10
⇒ x - 2y = 5 .....(ii)

From (i) and (ii) we get x = 35 and y = 15 yrs

Hence, option B is correct.

QUESTION: 2

A certain number of tennis balls were purchased for Rs 450.Five more balls could have been purchased for the same amounts if each ball was cheaper by Rs 15.Find the number of balls purchased.

Solution:

Let the number of balls purchased be x

⇒ x2 + 5x - 150 = 0
⇒ (x + 15) (x - 10) = 0
x = 10

QUESTION: 3

The minute hand and the hour hand of a clock are 14 cm and 7 cm long respectively. The total distance covered by their tips in one day is

Solution:

Distance Travel by hour hand in one day is = 2 x 2 πr
= 2 x 2 x (22/7) x 7 = 88 cm
Distance Travel by minute hand in one day is = 2 πr x 24
= 2 x (22/7) x 14 x 24 = 2112 cm
Total distance covered by their tips is = 2112 + 88 = 2200 cm = 22m

QUESTION: 4
The authorship of "Divine Life" is ascribed to:
Solution:
QUESTION: 5
Of the three numbers,the first is twice the second and the second is twice the third. The average of the three numbers is 21. find the largest number of the three.
Solution:
QUESTION: 6
Find the correct combination
A and B are married couple. X and Y are the brothers. X is the brother of A.
How Y is related to B ?
Solution: Y+ → X+ → A ↔ B
Y is B's Brother-in-law
QUESTION: 7
According to the Census 2001, which one the following Indian States has the maximum population in India after Uttar Pradesh ?
Solution:
QUESTION: 8
A boat goes 20 km downstream in one hour and the same distance upstream in 2 hrs. The speed of the boat in still water is
Solution:
QUESTION: 9

Choose the analogous pair.
Pariah : Favourite
Solution:
QUESTION: 10

Four of the following five are alike in a certain way and hence form a group. Which one does not belong to the group?
Solution:

In option A, B & D same sequence is followed i.e. +1.

But in case of Option C the sequence is 

-1.

QUESTION: 11
In a code, CORNER is written as GSVRIV. How can CENTRAL be written in that code ?
Solution:
QUESTION: 12

Complete the analogous pair.
Robert Hooks : Robert Brown : : Cells : ?
Solution:
QUESTION: 13

By which amendment was primary education added to the list of Fundamental Rights
Solution:
QUESTION: 14
Which of the following statements regardings the Supreme Court of India are correct ?
Select the correct answer from the code given below-
1.It has the power to entertain appeals from any court or tribunals within India.
2.It has the power to deliver advisory opinion on any question of fact or law referred to it by the President .
3.Salaries of the Judges of the Supreme Court are subject to vote by Parliament .
4.Its jurisdiction is binding on all other courts within India.
Solution:
QUESTION: 15
R$ represents the currency of:
Solution:
QUESTION: 16
One of the following phrases is used to describe Norway-it is the :
Solution:
QUESTION: 17
Ranjana is at a fixed point, from where she goes 20 metres towards West. From there she goes 10 metres towards North. Then she goes 35 metres towards East and after this she goes 5 metres towards South and in the end she goes 15 metres towards West. How far is she from the fixed point?
Solution:
QUESTION: 18

Count the number of triangles and squares in the given figure.
Solution:

The figure may be labelled as shown.

Triangles :

The simplest triangles are IJQ, JKQ, KLQ, LMQ, MNQ, NOQ, OPQ and PIQ i.e. 8 in number. The triangles composed of two components each are ABQ, BCQ, CDQ, DEQ, EFQ, FGQ, GHQ, HAQ, IKQ, KMQ, MOQ and OIQ i.e. 12 in number.

The triangles composed of four components each are ACQ, CEQ, EGQ, GAQ, IKM, KMO, MOI and OIK i.e. 8 in number.

The triangles composed of eight components each are ACE, CEG, EGA and GAC i.e. 4 in number.

Total number of triangles in the figure = 8 + 12 + 8 + 4 = 32.

Squares :

The squares composed of two components each are IJQP, JKLQ, QLMN and PQNO i.e. 4 in number.

The squares composed of four components each are ABQH, BCDQ, QDEF and HQFG i.e. 4 in number.

There is only one square i.e. IKMO composed of eight components.

There is only one square i.e. ACEG composed of sixteen components.

Thus, there are 4 + 4 + 1 + 1= 10 squares in the given figure.

QUESTION: 19

A sum of money invested at Compound Interest amounts in 3 yrs to Rs 2,400 and in 4 yrs to Rs 2,520. The interest rate of p.a is
Solution:

Let rate of interest be r%
then, 2520/2400 = (1 + r/100 )/4 (1 + r 100 ) 3
⇒ 63/60 = 1 + r/100 = 5%
∴ r = 5%

QUESTION: 20
Which Indian State hosted the 3rd meeting of Council of Trade Development and Promotion 2018?
Solution:
QUESTION: 21
Which state government has unveiled a price deficit compensation scheme named Bhavantar Bharpai to compensate farmers of the state for price deficit on vegetable produce?
Solution:
QUESTION: 22
The first Indian to swim across English Channel was
Solution:
QUESTION: 23
Which of the following monuments is the oldest?
Solution:
QUESTION: 24
Which of the following is the most powerful type of computer?
Solution:
QUESTION: 25
Net National product of a country is-
Solution:
QUESTION: 26
Plan expenditure in India is met by—
Solution:
QUESTION: 27
The copy, cut, and paste features use keyboard shortcuts with the ____________ key and a keyboard letter.
Solution:
QUESTION: 28
Who were the first to issue gold coins in India?
Solution:
QUESTION: 29
In which census year of the following ,the sex ratio was highest in India ?
Solution:
QUESTION: 30
Generally temperature decreases with increase in :
Solution:
QUESTION: 31
'Kali Lah and Dimana 'is the Arabic translation of which of the following books?
Solution:
QUESTION: 32
The quality of gasoline sample is determined by its
Solution:
QUESTION: 33
A tail attached to the kite flying in air helps
Solution:
QUESTION: 34
Which one of the following is a river island?
Solution:
QUESTION: 35
The radioactive isotope to hydrogen is called
Solution:
QUESTION: 36
Which one of the following is a useful functional association between fungi and the roots of higher plants?
Solution:
QUESTION: 37
The only snake that builds a nest is
Solution:
QUESTION: 38
Which of the following would lead to amlnutrition?
1. Overnutrition
2. Undernutrition
3. Imbalanced nutrition
Select the correct answer by using the codes given below:
Solution:
QUESTION: 39
"It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning piont. New discoveries promise better therapies and hope in the war against." The disease referred to in the above quotation is
Solution:
QUESTION: 40
"Athelete's Foot" is a disease caused by
Solution:
QUESTION: 41
Which one of the following statements regarding starch and celluclose is NOT correct?
Solution:
QUESTION: 42
Which one of the following statements is not correct?
Solution:
QUESTION: 43
Assertion [A] : Dolly was the first cloned mammal.
Reason [R] : Dolly was produced by in vitro fertilization.
Solution:
QUESTION: 44
The sides of a triangle ABC are 21 metres, 20 metres and 13 metres respectively. The longest side is AB. If a perpendicular CD is drawn from C on AB, then the difference of the area (in sq. metres) of the 2 triangles ACD and BCD will be
Solution:
QUESTION: 45
The government of Iran has imposed a ban on which of the following languages from being taught in the primary schools of the country?
Solution:
QUESTION: 46
Find the missing character.
Solution:
QUESTION: 47
Who has been appointed the New Chairman of World Business Council for Sustainable Development (WBCSD)?
Solution:
QUESTION: 48

One of the youngest science of the 20th century which deals with production, control and application of very low temperature (approx.Below-150oC) is called
Solution:
QUESTION: 49
Arrange the words given below in a meaningful sequence.
1. Wall 2. Clay 3. House 4. Room 5. Bricks
Solution:
QUESTION: 50

If + means - , - means x, x means ÷ and ÷ means + then
15 x 3 ÷ 15 + 5 - 2 = ?
Solution:

15 ÷ 3 + 15 - 5 x  2 = 5 + 15 - 5 x 2 = 5 + 15 - 10 = 10

QUESTION: 51

The shaded area represents
Solution:

Correct Answer :- b

Explanation : The shaded area represents the Females who smoke as well as play golf

QUESTION: 52
If each alternate letter beginning with the first in the word WORKING is replaced by the next letter in the English alphabet and each of the remaining letters is replaced by the previous letter in the English alphabet, which of the following will be the fourth from the right end after the replacement?
Solution:
Hence the third letter from the right end is 'J'
QUESTION: 53
In 1 kg mixture of sand and iron, 20% is iron. How much sand should be added so that the proportion of iron becomes 10%?
Solution: In 1 kg mixture quantity of iron = 20 gm
Let x gm sand should be added, then 10% of (1000 + x) = 200
∴ x = 1000 gm = 1 kg
QUESTION: 54
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)?
Solution:
QUESTION: 55
Name the Airport that has the facility of CAT III B landing system runway 01R, which enables flights to land even when visibility is 50 metres with decision height of 15 meters?
Solution:
QUESTION: 56

Product of two natural numbers is 17. Then, the sum of reciprocals of their squares is
Solution:

If the numbers are a, b, then ab = 17,
as 17 is a prime number, so a = 1, b = 17.

QUESTION: 57

A and B are partners in a business. A contrbutes 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?
Solution:

Let total profit is x
B's share = 2x/3 , A's share = (x - 2x/3 ) = x/3
∴ Ratio of profit A : B = x/3 : 2x/3 = 1 : 2
Let total capital invested be Rs P and A's money was used for 15 months while B's money was used for be months then we can write the equeation as-
1/4 p x 15 / 3/4 p x b = 1/2 ⇔ b = 30/3 = 10

QUESTION: 58
A person gave 20% of his income to his elder son,30% of the remaining to the younger son and 10% of the balance he donated to a trust. He is left with Rs 10080.His income was
Solution:
QUESTION: 59

The World War II Memorial Museum has been inaugurated in which state on January 21, 2018?
Solution:

Pema Khandu, the Chief Minister of Arunachal Pradesh, has inaugurated the World War II Memorial Museum in Jairampur in Changlang District on January 21, 2018. The war memorial has the collection of the remnants of World War 2, personal belongings of the soldiers and other persons involved. The museum also showcases traditional items from local Tangsa community. The memorial is a cemetery site where about 833 graves including mass graves have been discovered. The museum is built through funding from Union Ministry of Culture for Rs 2.25 crores and executed by state PWD.

QUESTION: 60

To which Profession Radha Viswanathan belongs to?
Solution:
QUESTION: 61
A tap fills a tank in 12 hrs and the other empties it in 24 hrs. If both are opened simultaneously, then the tank will be filled in
Solution:
QUESTION: 62
Complete the analogous pair.
36 35 34:15 20 25 :: 2 43 44 : ?
Solution:
QUESTION: 63
Two trains running in opposite directions cross a man standing on the platform in 27 sec and 17 sec respectively and they cross each other in 23 sec. The ratio of their speed is
Solution:
QUESTION: 64
An amount of Rs.2430 is divided among A, B, C such that if their shares be reduced by Rs.5, Rs.10 and Rs.15 respectively, the remainders shall be in the ratio 3: 4: 5. The share of B is
Solution: Amount after reducing = 2430 - (5+10+15)= 2400
Ratio of shares 3 : 4 : 5 ⇒ 12 k = 2400
K = 200
Share of B= 4 k + 10 = 810
QUESTION: 65
There are 43 students in a class. If the rank of Raja from the beginning is 21st, then what will be his position from the last?
Solution:
QUESTION: 66
The incomes of A,B and C are in the ratio 3:7:4 and their expenses in the ratio 4:3:5. If A saves Rs 300 out of an income of Rs 2,400, the savings of B and C are
Solution:
QUESTION: 67
Ion-exchange is a process of
Solution:
QUESTION: 68
Which of the following Buddhist texts is a collection of the Buddha's sermons on matters of doctrine and ethics?
Solution:
QUESTION: 69
Why do wet clothes dry more quickly on a warm day ?
Solution:
QUESTION: 70
Name the Space Agency which will launch Parker Solar Probe to explore Sun’s outer atmosphere?
Solution:
QUESTION: 71
Which one of the following is wrong about Vitamins ?
Solution:
QUESTION: 72
What is a Hologram ?
Solution:
QUESTION: 73
Domestic electric meters record the consumption of electricity in :
Solution:
QUESTION: 74
For the treatment of which organ dialysis is resorted to ?
Solution:
QUESTION: 75

The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is :
Solution:

QUESTION: 76
Cooking gas cylinders placed on the top floor cause more fire hazard on leakage to the lower floors because LPG (Liquified Petroleum Gas) is
Solution:
QUESTION: 77

If a+b+c = 0,then a2(b + c) + b2(c + a) + c2(a + b) is equal to
Solution:
QUESTION: 78

(0.05x5 - 0.005x5) equals
Solution:
QUESTION: 79
Which Indian boxer narrowly missed a medal at the recently concluded Sydney Olympics?
Solution:
QUESTION: 80
Name the cricketer who was suspended by Board of Control for Cricket in India (BCCI) for five months for failing a dope test?
Solution:
QUESTION: 81
The maiden edition of the International Martial Arts Games will be hosted by which state of India in October 2018?
Solution:
QUESTION: 82
Below is given statement followed by four conclusions numbered I, II, III and IV. You have to consider the statement and the following conclusions and decide which of the conclusions is follows in the statement :
Statements : a. All lions are ducks.
b. No duck is a horse.
c. All horses are fruits.
Conclusions : I. No lion is a horse.
II. Some fruits are horses.
III. Some ducks are lions.
IV. Some lions are horses.
Solution:
QUESTION: 83

A and B start at the same time with speeds of 40 km/hr, respectively. If in covering the journey A takes 15 minutes longer than B, the total distance of journey is
Solution:

 

 A : B

Ratio of speed = 4:5

Ratio of time = 5 : 4 (5−4) unit = 15 unit1 unit = 15 min

So, time taken by B : = 4×15 = 60 min = 1 hrDistance = S × T  = 50×1  = 50 km

QUESTION: 84

If m persons working m hrs a day for each of the m days produce m units of work, then the units of work produced by n persons working n hours a day for each of the n days is
Solution:
QUESTION: 85
The length of canvas 2 m wide needed to make a conical tent of radius of base 4 m and height 3 m is (Use π = 3.14)
Solution:
QUESTION: 86

Solution:
QUESTION: 87
Below are the statements followed by four conclusions numbered I,II,III and IV. You have to consider the statements and the following conclusions and decide which of the conclusion(s) follows the statement(s).
Statements :
a. All glasses are roads.
b. No road is a stick.
c. Some sticks are pens.
Conclusions :
I. Some glasses are sticks.
II. Some pens are sticks.
III. Some roads are sticks.
IV. No glass is a stick.
Solution:
From the Venn diagrams, it is clear that "some pens are sticks" (II), and "no glass is a stick" (IV), Hence, only conclusions II and IV follow.
QUESTION: 88
A meaningful word is made if we take the first, fourth, fifth, seventh, tenth, eleventh and the twelfth letters of the word 'FELICITATIONS'. Which of the following will be the fifth letter of that word from the right end of that word?
Solution: The first, fourth, fifth, seventh, tenth, eleventh and twelfth letters of the word FELICITATIONS are F, I, C, T, I, O, N respectively
The word formed is FICTION. The fifth letter from the right is C
QUESTION: 89
When was the League of Nations formed?
Solution:
QUESTION: 90

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 .

 
Solution:
QUESTION: 91

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.

 
Solution:

In each one of the other figures, the small line segment lies one space ahead of the dot, in a CW direction.

QUESTION: 92

In the following questions, select a figure from amongst the four alternatives, which when placed in the blank space of fig. (X) would complete the pattern.
Solution:
QUESTION: 93

Eight friends A, B, C, D, E, F, G and H are sitting around a circle facing the centre. H is to the immediate left of E who is third to the right of B. C is second to the right of D and is not a neighbour of B. F is second to the right of G and is not a neighbour of C.

Q. Who is second to the right of E?
Solution:

QUESTION: 94

Which number is on the face opposite to 1?
Solution:
QUESTION: 95

In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

Q. f _ h i g h _ j h i j _ i j _ l _ k l m
Solution:
QUESTION: 96

Find the number in the series which is wrong.

6, 12, 36, 144, 722, 4320, 30240
Solution:

6, 12, 36, 144, 722, 4320, 30240
The pattern should be
6, 6 × 2 = 12, 12 × 3 = 36, 36 × 4 = 144,
144 × 5 = 720, 720 × 6 = 4320, 4320 × 7 = 30240
Hence, the wrong entry is 722

QUESTION: 97

Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.
Solution:
QUESTION: 98

The following table gives the enrolment in Higher Secondary Schools in 1978. Study the table carefully and answer these questions.

Q. What is the approximate percentage of schools, where the enrolment was below 120?
Solution:
QUESTION: 99

The following table gives the enrolment in Higher Secondary Schools in 1978. Study the table carefully and answer these questions.

Q. What is the approximate percentage of schools, where the enrolment was above 79 but below 180?
Solution:
QUESTION: 100

The following table gives the enrolment in Higher Secondary Schools in 1978. Study the table carefully and answer these questions.

Q. Under which class, the maximum number of schools fall?
Solution:

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