RRB Group D Mock Test - 31


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100 Questions MCQ Test RRB (Group D) - Mock Tests & Previous Year Papers | RRB Group D Mock Test - 31

RRB Group D Mock Test - 31 for Railways 2022 is part of RRB (Group D) - Mock Tests & Previous Year Papers preparation. The RRB Group D Mock Test - 31 questions and answers have been prepared according to the Railways exam syllabus.The RRB Group D Mock Test - 31 MCQs are made for Railways 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB Group D Mock Test - 31 below.
Solutions of RRB Group D Mock Test - 31 questions in English are available as part of our RRB (Group D) - Mock Tests & Previous Year Papers for Railways & RRB Group D Mock Test - 31 solutions in Hindi for RRB (Group D) - Mock Tests & Previous Year Papers course. Download more important topics, notes, lectures and mock test series for Railways Exam by signing up for free. Attempt RRB Group D Mock Test - 31 | 100 questions in 90 minutes | Mock test for Railways preparation | Free important questions MCQ to study RRB (Group D) - Mock Tests & Previous Year Papers for Railways Exam | Download free PDF with solutions
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RRB Group D Mock Test - 31 - Question 1

Gillette cup is associated with which sport?

RRB Group D Mock Test - 31 - Question 2

What is the minimum Maturity period for commercial paper?

RRB Group D Mock Test - 31 - Question 3

Teen Murti Bhavan in New Delhi was the residence of which Indian Prime Minister?

RRB Group D Mock Test - 31 - Question 4

Vacuum tubes were used in which generation computers?

RRB Group D Mock Test - 31 - Question 5

Which of the following is not a member country of NATO Organisation?

RRB Group D Mock Test - 31 - Question 6

The aspect ratio in high definition monitors is generally:

RRB Group D Mock Test - 31 - Question 7

Sometimes when a computer hangs or freezes, we can reset it unplugging the power cable and plugging it back again. This process is called ….

Detailed Solution for RRB Group D Mock Test - 31 - Question 7

Rebooting is when a computer is switched off and switched on using the operating system. In it the system shuts itself down and restarts itself. Power Cycling is when the operating system is not responding and system is shut down using the hardware switches and booted again. Ex unplugging a power cable for a computer, or removing the battery of a phone.

RRB Group D Mock Test - 31 - Question 8

Android is a/an ….

RRB Group D Mock Test - 31 - Question 9

How many kilo-bytes make a mega-byte?

RRB Group D Mock Test - 31 - Question 10

State with lowest population, according to census 2011?

RRB Group D Mock Test - 31 - Question 11

The headquarters of ISRO is located in which city?

RRB Group D Mock Test - 31 - Question 12

Match the following:
A. Cell a. Animal cell
b. Plant
B. ATP a. Mitochondria
b. Genes

RRB Group D Mock Test - 31 - Question 13

Konark in Orissa is known for

RRB Group D Mock Test - 31 - Question 14

Fountain pen works using gravity and which of the following phenomenon?

RRB Group D Mock Test - 31 - Question 15

Study of old age is called?

RRB Group D Mock Test - 31 - Question 16

Lightning is an example of large scale … electricity.

RRB Group D Mock Test - 31 - Question 17

Which of the following cities first started the Rapid train transit system (also called metro train)?

RRB Group D Mock Test - 31 - Question 18

Which of the following is not a type of element?

RRB Group D Mock Test - 31 - Question 19

Railway Coach factory is located in which of the following cities?

RRB Group D Mock Test - 31 - Question 20

SPM stands for?

RRB Group D Mock Test - 31 - Question 21

When was first Anglo-afghan war fought?

RRB Group D Mock Test - 31 - Question 22

George Sanders is the recipient of the prestigious Man Booker Prize-2017 for which of the following Books?

RRB Group D Mock Test - 31 - Question 23

Which of the following Indian cities is popularly called as the Manchester of India?

RRB Group D Mock Test - 31 - Question 24

Sattriya is the dance form of which state?

RRB Group D Mock Test - 31 - Question 25

What is the birthplace of Netaji Subhash Chandra Bose?

RRB Group D Mock Test - 31 - Question 26

“Do or Die” phrase was applied in which of the following Movement?

RRB Group D Mock Test - 31 - Question 27

A pheromone secreted by an animal

RRB Group D Mock Test - 31 - Question 28

Who built the first islamic tomb in India?

RRB Group D Mock Test - 31 - Question 29

Iron rust quickly in?

RRB Group D Mock Test - 31 - Question 30

Where is the first Nevia plant located in India?

RRB Group D Mock Test - 31 - Question 31

Which of the following is NOT a major tradition of Hinduism?

RRB Group D Mock Test - 31 - Question 32

Which of the following countries is not a member of the APEC Countries?

RRB Group D Mock Test - 31 - Question 33

Which of the following chemicals is NOT considered toxic?

RRB Group D Mock Test - 31 - Question 34

What is the length of the large intestine?

RRB Group D Mock Test - 31 - Question 35

Which is the fastest running terrestrial animal?

Detailed Solution for RRB Group D Mock Test - 31 - Question 35

Cheetah is the fastest running terrestrial animal.

RRB Group D Mock Test - 31 - Question 36

Which of the following is one of the main uses of Vitamin K?

RRB Group D Mock Test - 31 - Question 37

Flowering plants are classified under ….

RRB Group D Mock Test - 31 - Question 38

Which of the gases are colourless, odourless and extremely toxic?

RRB Group D Mock Test - 31 - Question 39

Batteries convert … energy to … energy

RRB Group D Mock Test - 31 - Question 40

The speed of light in water is approximately … % of its speed in vacuum.

RRB Group D Mock Test - 31 - Question 41

When is World Heart day observed?

RRB Group D Mock Test - 31 - Question 42

The tendency of a fluid to occupy the least possible surface area as possible is called ..

RRB Group D Mock Test - 31 - Question 43

What is the chemical formula of Ozone layer?

RRB Group D Mock Test - 31 - Question 44

Which is the most abundant element in the Milky way, based on mass?

RRB Group D Mock Test - 31 - Question 45

Which of the following devices produces electricity instead of consuming it?

RRB Group D Mock Test - 31 - Question 46

Who is the author of the Book "The shadow lines"?

RRB Group D Mock Test - 31 - Question 47

Who has been awarded as the Ballon dÓr Award- FootBall for 2017?

RRB Group D Mock Test - 31 - Question 48

Who is the Vice President of USA?

RRB Group D Mock Test - 31 - Question 49

Which of the following states is the undisputed contributor to Indian rubber industry, producing more than 90% of the country's natural rubber?

RRB Group D Mock Test - 31 - Question 50

To which field does BKS Iyengar belong to ?

RRB Group D Mock Test - 31 - Question 51

Which state is known for its sandal wood carvings ?

RRB Group D Mock Test - 31 - Question 52

5 September is celebrated as Teacher’s Day in India to commemorate whose birthday?

RRB Group D Mock Test - 31 - Question 53

Who is P.J Kurien?

RRB Group D Mock Test - 31 - Question 54

Who is the lady head of Reliance company ?

RRB Group D Mock Test - 31 - Question 55

Who is the head of SIT Committee?

RRB Group D Mock Test - 31 - Question 56

Which day is celebrated as the United Nations Organization day?

RRB Group D Mock Test - 31 - Question 57

Who is the current Prime Minister of UK ?

RRB Group D Mock Test - 31 - Question 58

Who is Nripendra Mishra?

RRB Group D Mock Test - 31 - Question 59

World’s Largest Combustion Research Centre - National Centre for Combustion Research and Development was been recently inaugurated in which of the following India Technological Institutions?

RRB Group D Mock Test - 31 - Question 60

FIBA is related with Which sport ?

RRB Group D Mock Test - 31 - Question 61

A shopkeeper by selling 14 items, earns a profit equal to the selling price of 6 items. What is his profit percentage?

Detailed Solution for RRB Group D Mock Test - 31 - Question 61

Let SP of 1 item = 10/-

SP of 14 items = 140/-

Profit = SP of 6 items = 60/-

CP = SP - Profit = 140 - 60 = 80/-

Profit % = 60/80 x 100 = 75

So the answer is option D.

RRB Group D Mock Test - 31 - Question 62

The ages of 5 persons are in AP. The youngest person was 31 years old while the oldest person was 39 years old. What is the average age of the 5 persons?

Detailed Solution for RRB Group D Mock Test - 31 - Question 62

Given that their ages are in AP and least age is 31 and highest age is 39

1st term = a = 31

5th term = l = 39

So the answer is option C.

RRB Group D Mock Test - 31 - Question 63

A man started his journey at 10 am in the morning and finished it at 9 pm in the evening. If he traveled a total of 44 km, what is his average speed?

Detailed Solution for RRB Group D Mock Test - 31 - Question 63

Time from 10am to 9pm = 11 hrs

Speed = distance/time = 44/11 = 4kmph

So the answer is option A.

RRB Group D Mock Test - 31 - Question 64

If

Detailed Solution for RRB Group D Mock Test - 31 - Question 64

RRB Group D Mock Test - 31 - Question 65

X is a single digit number such that the LCM of the two digit number X6 and 54 is 108. What is the value of X?

Detailed Solution for RRB Group D Mock Test - 31 - Question 65

Through options check,

If x = 3, LCM of 36 & 54 = 108

If x = 4, LCM of 46 & 54 = 1242

If x = 1, LCM of 26 & 54 = 702

If x = 0, LCM of 6 & 54 = 54

So the answer is option A.

RRB Group D Mock Test - 31 - Question 66

L and M can do a piece of work in 5 days, while M and N can do the same in 10 days, and N and L can do it in 6 days. Find the number of day(s) it takes to complete the work if all of them work together.

Detailed Solution for RRB Group D Mock Test - 31 - Question 66

Let total work = LCM of 5, 10 & 6 = 30 units

Efficiency of L and M = 30/5 = 6

Efficiency of M and N = 30/10 = 3

Efficiency of L and M = 30/6= 5

Efficiency of L, M & N = (6 + 5 + 3)/(2) = 7

L, M & N together can complete the work in \frac{30}{7} = 4\frac{2}{7}730​=472​ days

So the answer is option C.

RRB Group D Mock Test - 31 - Question 67

If 

RRB Group D Mock Test - 31 - Question 68

What is the side of a regular hexagon, if its area is 54√33​ sq units?

Detailed Solution for RRB Group D Mock Test - 31 - Question 68

Area of regular hexagon = 54√33​ 

So the answer is option A.

RRB Group D Mock Test - 31 - Question 69

If  then find the value1/x ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 69

2[3x/4 - 1/2] = x/2 - 2

3x/2 - 1 = x/2 - 2

2x/2 = -1

x = -1

So the answer is option B.

RRB Group D Mock Test - 31 - Question 70

Find the slope of the line 4x+4y-16 = 0

Detailed Solution for RRB Group D Mock Test - 31 - Question 70

Slope of line ax+by+c = 0 is -a/b

slope of the line 4x+4y-16 = 0 = -4/4 = -1

So the answer is option A.

RRB Group D Mock Test - 31 - Question 71

A sector of a circle subtends 180 degrees at the center. If the radius of the circle is 7 cm, what is the perimeter of the sector?

Detailed Solution for RRB Group D Mock Test - 31 - Question 71

Central angle of a sector is 180º i,e; the sector is semi-circle

Perimeter =  

So the answer is option C.

RRB Group D Mock Test - 31 - Question 72

Ravi sells his TV for 20% profit and his radio for 15% loss. It is known that the cost price of radio is 20% the cost price of TV. Find the overall profit or loss percentage?

Detailed Solution for RRB Group D Mock Test - 31 - Question 72

Let CP of TV = 100

Then CP of Radio = 20% of 100 = 20

SP of TV = 1.2(100) = 120

SP of Radio = (0.85)(20) = 17

Total SP = 120+17 = 137

Total CP = 100+20 = 120

Profit = 137-120 = 17

So the answer is option B.

RRB Group D Mock Test - 31 - Question 73

Find the value of 

Detailed Solution for RRB Group D Mock Test - 31 - Question 73

So the answer is option C.

RRB Group D Mock Test - 31 - Question 74

Find the area of a rhombus, if the lengths of its diagonals are 12cm and 10cm ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 74

So the answer is option B.

RRB Group D Mock Test - 31 - Question 75

Find the radius of the incircle of an equilateral triangle of side 8 cm ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 75

Height of equilateral triangle = √3a/2= 8√3/2 = 4√3cm

Radius of incircle = \frac{height}{3}3height​ = 4√3/3 = 4/√3 cm

So the answer is option A.

RRB Group D Mock Test - 31 - Question 76

If the cost of painting a house of 4 walls, having length 6 cm, width 4 cm and height 8 cm, is 480/-. Then find the cost of painting per sq cm?

Detailed Solution for RRB Group D Mock Test - 31 - Question 76

Lateral surface area = 2h(l+b) = 2(8)(6+4) = 160sq.cm

Let x be the cost of painting per unit area,

Total cost of painting = 480

160x = 480

x = 3/-

So the answer is option C.

RRB Group D Mock Test - 31 - Question 77

If p, q are the sum and product of the roots of , then find p*q ?Report Question

Detailed Solution for RRB Group D Mock Test - 31 - Question 77

p = sum of roots = -b/a = 4/3

q = product of roots = -d/a = 6/3 = 2

pq = (4/3)(2) = 8/3

So the answer is option B.

RRB Group D Mock Test - 31 - Question 78

If p and q are the volume and curved surface area of a cylinder, whose height and radius are same, then which of the following is true ( assume radius = r)?

Detailed Solution for RRB Group D Mock Test - 31 - Question 78

Given that h = r,

p = vol.of cylinder = π r2h

q = curved surface area of cylinder = 2πrh2πrh

p/q = (πr2hπr2h)/(2πrh2πrh)

p/q = r/2

2p = qr

So the answer is option D.

RRB Group D Mock Test - 31 - Question 79

Two trains A and B are moving towards north and south with 42kmph & 30kmph respectively.If length of train A is 400m and that of B is x.Then what is the value of x if they cross each other in 40 seconds ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 79

Relative speed = 42+30 = 72 kmph = 72*(5/18) = 20m/s

So the answer is option C.

RRB Group D Mock Test - 31 - Question 80

A hemi sphere of radius of 7 cm is surmounted on a cylinder of same radius and height 7 cm, then find it’s curved surface area ( in sq.cm) ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 80


 

So the answer is option A.

RRB Group D Mock Test - 31 - Question 81

In each of the following question select the related numbers/words/letters from the given options.AF : LU : : PJ : ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 81

A + 11 = L
F - 11 = U
P + 11 = A
J - 11 = Y
Hence, option A is the right answer.

RRB Group D Mock Test - 31 - Question 82

Select the option that is different from the other 3 options:

Detailed Solution for RRB Group D Mock Test - 31 - Question 82

Hyundai, Samsung and LG are companies of Korean origin. Honda is a company of Japanese origin. Therefore, option A is the right answer.

RRB Group D Mock Test - 31 - Question 83

Arrange the following words as per order in the dictionary. 
1:unknown
2:unkind
3:unlawful
4:unkempt
5:unlamented

Detailed Solution for RRB Group D Mock Test - 31 - Question 83

Following is the correct order of words as found in dictionary-
Unkempt, unkind, unknown, unlamented, unlawful
Thus the order would be 4, 2, 1, 5, 3
Hence, option C is the right answer.

RRB Group D Mock Test - 31 - Question 84

A series is given with one missing term. Choose the correct alternative from the given optons that will complete the series. 84, 73, 64, 57, ?, 49

Detailed Solution for RRB Group D Mock Test - 31 - Question 84

84 - 11 = 73
73 - 9 = 64
64 - 7 = 57
57 - 5 = 52
52 - 3 = 49
Hence, option B is the right answer.

RRB Group D Mock Test - 31 - Question 85

Which of the following words cannot be formed using the letters of the word ‘DECONSTRUCTING’

Detailed Solution for RRB Group D Mock Test - 31 - Question 85

The letter‘M’ is not present in the word ‘DECONSTRUCTING’. Thus, ‘NEUROTISM’ cannot be formed. 
Hence, option D is the right answer.

RRB Group D Mock Test - 31 - Question 86

In a certain language ‘LOTUS’ is coded as ‘GYQZX’ and ‘KITE’ is coded as ‘VUQC’. How will ‘STOLE’ be written as?

Detailed Solution for RRB Group D Mock Test - 31 - Question 86

‘LOTUS’ is coded as ‘GYQZX’ and ‘KITE’ is coded as ‘VUQC’
So L -> G
O -> Y
T -> Q
U -> Z
S -> X
K -> V
I -> U
E -> C
Thus, ‘STOLE’ must be coded as ‘XQYGC’.
Hence, option A is the right answer.

RRB Group D Mock Test - 31 - Question 87

If, ‘+’ is coded as ‘#’, ‘*’ is coded as ‘@’, ‘-’ is coded as ‘$’, ‘/‘ is coded as ‘&’then what is the value of 61 $ 7 @ 5 # 54 & 6?

Detailed Solution for RRB Group D Mock Test - 31 - Question 87

61 $ 7 @ 5 # 54 & 6 would mean 61 - (7*5) + (54/6) = 61 - 35 + 9 = 35
Hence, option B is right choice.

RRB Group D Mock Test - 31 - Question 88

Select the missing number ‘?’ from the given options.

Detailed Solution for RRB Group D Mock Test - 31 - Question 88

6*3 - 4 = 14
8*5 - 18 = 22
9*4 - ? = 19
? = 17
Hence, option A is the right choice.

RRB Group D Mock Test - 31 - Question 89

In each of the questions given below, there are two statements which are followed by 2 conclusions. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts. You have to then decide which of the given conclusions logically follow from the given statements
Statements: 
All watch is silver
All light is metal
Some light is silver
Conclusions:
I. Some metal is watch
II. Some silver is metal

Detailed Solution for RRB Group D Mock Test - 31 - Question 89

Consider the following possibility-

There is a possibility that no metal is watch. So I does not necessarily follow. 
Also, some metal has to be silver. So II follows. 
Hence, option B is the correct choice.

RRB Group D Mock Test - 31 - Question 90

In each of the following question select the related numbers/words/letters from the given options.Nepal : Volleyball : : Bangladesh : ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 90

National game of Nepal is Volleyball, and national game of Bangladesh is Kabaddi. 
Hence, option B is the right answer.

RRB Group D Mock Test - 31 - Question 91

In each of the following question select the related numbers/words/letters from the given options.27 : 80 : : 34 : ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 91

80 = 27 + 2^2 + 7^2 = 80
34 + 3^2 + 4^2 = 59
Hence, option A is the right answer.

RRB Group D Mock Test - 31 - Question 92

A + B means A is the sister of B
A * B means A is the father of B and no one else. 
A $ B means A is the brother of B
A ÷ B means A is the granddaughter of B
According to which of the following options, E is the daughter of W?

Detailed Solution for RRB Group D Mock Test - 31 - Question 92

Considering option C, E + L ÷ U * W. So E is the sister of L who is the grand daughter of U. U is the father of W. So W must father of both E and L. 
Hence, option C is the correct option.

RRB Group D Mock Test - 31 - Question 93

If 672 & 24 = 28 and 19 @ 43 = 62, then what is the value of 41 @ 558 & 18?

Detailed Solution for RRB Group D Mock Test - 31 - Question 93

41 @ 558 & 18 = 41 + 558 / 18 = 72
Hence, option B is the right answer.

RRB Group D Mock Test - 31 - Question 94

According to the following venn diagram how many people play carrom and chess but not volleyball?

Detailed Solution for RRB Group D Mock Test - 31 - Question 94

We want intersection of square and circle but avoid hexagon. 
So required number = 41
Hence, option B is the right choice.

RRB Group D Mock Test - 31 - Question 95

According to the following venn diagram how many people have tea, biscuits and milk but not coffee?
 

Detailed Solution for RRB Group D Mock Test - 31 - Question 95

We want intersection of the triangle, pentagon and rectangle but avoid circle.
So required number = 21
Hence, option A is the right choice.

RRB Group D Mock Test - 31 - Question 96

A series is given with one missing term. Choose the correct alternative from the given optons that will complete the series. 17, 42, 78, 127, 191, ?

Detailed Solution for RRB Group D Mock Test - 31 - Question 96

17 + 25 = 42
42 + 36 = 78
78 + 49 = 127
127 + 64 = 191
191 + 81 = 272
Hence, option A is the right answer.

RRB Group D Mock Test - 31 - Question 97

Mukesh walks 8 km towards the north and then takes a 90° turn in anti-clockwise direction to walk 10 km and then takes a right turn to walk 16 km further to reach final point. What is the distance between final and starting point?

Detailed Solution for RRB Group D Mock Test - 31 - Question 97

Refer to the following figure below -

The distance between final and starting point can be given by Pythagoras theorem, 

Hence, option D is the right answer.

RRB Group D Mock Test - 31 - Question 98

6 people P, Q, R, S, T, U stay on floors 1 to 6 of a building. R stays immediately above U. Four people stay between P and U. S stays immediately above Q. Who stays on 2nd floor?

Detailed Solution for RRB Group D Mock Test - 31 - Question 98

Since four people stay between P and U and R stays immediately above U. U must be on floor 1 and P on floor 6. Thus, R must stay on floor 2. 
We get following arrangement -

Hence, option B is the right choice.

RRB Group D Mock Test - 31 - Question 99

If CARTEL is coded as BBQSFK, what will be FUTILE coded as?

Detailed Solution for RRB Group D Mock Test - 31 - Question 99

C - 1 - B
A + 1 - B
R - 1 - Q
T - 1 - S
E + 1 - F
L - 1 - K

As we can see, vowels are replaced by the letter immediately following them and consonants are replaced by the letter immediately preceding them. Using the same logic,

F will be coded as E.
U will be coded as V.
T will be coded as S.
I will be coded as J.
L will be coded as K.
E will be coded as F.

Therefore, FUTILE will be coded as EVSJKF. Hence, option B is the right answer.

RRB Group D Mock Test - 31 - Question 100

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures indicate how will the figure be opened?

 

 

Detailed Solution for RRB Group D Mock Test - 31 - Question 100

The paper is folded twice so the punched shape must be replicated four times. 
After opening the figure, we get,

Hence, option B is right choice.

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