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RRB Group D Mock Test - 37 - Railways MCQ


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30 Questions MCQ Test - RRB Group D Mock Test - 37

RRB Group D Mock Test - 37 for Railways 2024 is part of Railways preparation. The RRB Group D Mock Test - 37 questions and answers have been prepared according to the Railways exam syllabus.The RRB Group D Mock Test - 37 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 - 37 below.
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RRB Group D Mock Test - 37 - Question 1
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A shopkeeper sold an item at a loss of 20% and received 20000/-. What was the cost price of the item?

Detailed Solution for RRB Group D Mock Test - 37 - Question 1

Let CP = x

(1-0.2)(x) = 20000

(0.8)(x) = 20000

x = 25000/-

So the answer is option B.

RRB Group D Mock Test - 37 - Question 2
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A college celebrated a festival for five days. The average daily attendance in those five days was 678 while the average attendance in the last four days of the festival was 679. What was the attendance on the first day of the festival?

Detailed Solution for RRB Group D Mock Test - 37 - Question 2

Total attendance in 5 days = 678*5 = 3390

Attendance in 1st day + attendance in last 4 days = attendance in 5 days

x + 4(679) = 3390

x + 2716 = 3390

x = 674

So the answer is option D.

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RRB Group D Mock Test - 37 - Question 3
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Rupesh started his journey of 150km with the speed of 45kmph, after travelling for 2hrs, he realized that he is left with 1hr to reach his destination. Find his new speed if he reached his destination on-time.

Detailed Solution for RRB Group D Mock Test - 37 - Question 3

Total distance = 150km

Distance covered by him in 2 hrs = 45*2 = 90km

Remaining distance = 150-90 = 60km

So the answer is option C.

RRB Group D Mock Test - 37 - Question 4
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Find tan θ, if secθ = 13/12 ?
It is known that 0 < θ < 90
Detailed Solution for RRB Group D Mock Test - 37 - Question 4


So the answer is option B.

RRB Group D Mock Test - 37 - Question 5
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Find the HCF of 1/2, 2/3 & 3/4 ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 5

H.C.F of fractions = H.C.F of numerators / L.C.M of denominators = (HCF of 1, 2, 3)/(LCM of 2, 3, 4) = (1)/(12) = 1/12

RRB Group D Mock Test - 37 - Question 6
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P and Q together can complete a piece of work in 8 days, Q alone can complete the same work in 12 days.In how many days can P alone complete the same work?
Detailed Solution for RRB Group D Mock Test - 37 - Question 6

Let total work = LCM of 8 and 12 = 24 units

Efficiency of P&Q; = 24/8 = 3

Efficiency of Q = 24/12 = 2

Then efficiency of P = 3-2 = 1

P alone can complete 24 units of work in 24/1 = 24 days

So the answer is option A.

RRB Group D Mock Test - 37 - Question 7
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If a+b+c=0, then 

Detailed Solution for RRB Group D Mock Test - 37 - Question 7

RRB Group D Mock Test - 37 - Question 8
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Find the side of an equilateral triangle, of area 25√3​ sq.cm ?

 
Detailed Solution for RRB Group D Mock Test - 37 - Question 8

RRB Group D Mock Test - 37 - Question 9
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Find a-b if a+b = 23, ab = 132 ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 9

RRB Group D Mock Test - 37 - Question 10
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Find the perimeter of a rectangle whose length is 9 cm and breadth is equal to the side of a square of area 36 sq.cm ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 10

Length of rectangle = 9 cm

Breadth = side of square = √36 = 6 cm

Perimeter = 2(l+b) = 2(9+6) = 30cm

So the answer is option B.

RRB Group D Mock Test - 37 - Question 11
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4 walls of a house of height 4m, width 6m and length 8m are to be painted. What is the total expenditure if the painter charges Rs.1.5 per sq.m ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 11

Lateral surface area = 2h(l+b) = 2(4)(6+8) = 112sq.cm

Cost of painting = 112*1.5 = 168

So the answer is option A.

RRB Group D Mock Test - 37 - Question 12
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Sampath sold an item to sharath for 2500/- and earned a profit of 100/-. What is the profit percentage in this transaction?
Detailed Solution for RRB Group D Mock Test - 37 - Question 12

SP = 2500

Profit = 100

CP = SP - Profit = 2500 - 100

RRB Group D Mock Test - 37 - Question 13
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If sum of a number and 4 times its fraction is 4, then find that number ?

 
Detailed Solution for RRB Group D Mock Test - 37 - Question 13

RRB Group D Mock Test - 37 - Question 14
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Find the slope of a line perpendicular to 5x-3y+2 = 0 ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 14

Slope of given line = 5/3

Slope of a line perpendicular to given line = -3/5

So the answer is option C.

RRB Group D Mock Test - 37 - Question 15
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p and q are the total surface area and curved surface area of a cylinder. If the height and radius of the cylinder are the same, what is the value of p/q ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 15

RRB Group D Mock Test - 37 - Question 16
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The edges of a cuboid are in the ratio 2 : 3 : 4. If the total surface area of the cuboid is 468 sq cm, what is its volume?
Detailed Solution for RRB Group D Mock Test - 37 - Question 16

Let it's edges are 2x, 3x, 4x

Surface area = 468

RRB Group D Mock Test - 37 - Question 17
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If p, qp,q are the sum and product of the roots of 

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RRB Group D Mock Test - 37 - Question 18
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A circle is inscribed in a square of side 14cm, then find the maximum area of the circle ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 18


RRB Group D Mock Test - 37 - Question 19
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Train P of length 300m and Train Q of length 600m are travelling with 48kmph and 66kmph respectively. Find the time taken by them to cross each other if they are moving in same direction ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 19

RRB Group D Mock Test - 37 - Question 20
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Find the area of trapezium ABCD, AB=7 cm, CD=5 cm & height of trapezium is 4 cm ? It is known that AB is parallel to CD

 
Detailed Solution for RRB Group D Mock Test - 37 - Question 20

RRB Group D Mock Test - 37 - Question 21
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Select the option that bears the same relationship as the terms given in the question:
BA : CE :: DI : ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 21

B is the first consonant and A is the first vowel.
C is the second consonant and E is the second vowel.
D is the third consonant and I is the third vowel.

Therefore, the next term must be composed of the fourth consonant and the fourth vowel - F and O respectively. Therefore, option C is the right answer.

RRB Group D Mock Test - 37 - Question 22
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elect the option that is different from the other 3 options:
Detailed Solution for RRB Group D Mock Test - 37 - Question 22

Kiwi, Ostrich and Emu are flightless birds. Peacock can fly. Therefore, option D is the right answer.

RRB Group D Mock Test - 37 - Question 23
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Find the order in which the following words appear in a dictionary.
1. nemesis
2. neology
3. nefarious
4. neonatology
Detailed Solution for RRB Group D Mock Test - 37 - Question 23

The order in which these words will appear in a dictionary:
3. nefarious
1. nemesis
2. neology
4. neonatology

RRB Group D Mock Test - 37 - Question 24
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Find the number which will replace ‘?’.
4, 18, 48, 100, ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 24

The series follows the following pattern n3−n2

RRB Group D Mock Test - 37 - Question 25
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Which of the following words cannot be formed using the letters of the word ‘SCHADENFREUDE’?
Detailed Solution for RRB Group D Mock Test - 37 - Question 25

Diffuser has 2 F’s. SCHADENFREUDE has only one F. Clearly, DIFFUSER cannot be made by shuffling the letters of SCHADENFREUDE. Hence, option D is the right answer.

 

RRB Group D Mock Test - 37 - Question 26
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If DRY is coded as 1800 and BAT is coded as 40, the code of which of the following words is 200?
Detailed Solution for RRB Group D Mock Test - 37 - Question 26

The code for a word is the product of the position of the letters of the word in the alphabetical series.

DRY - 4*18*25 = 1800
BAT - 2*1*20 = 40

Let us evaluate the options using the same logic.

GATE - 7*1*20*5 = 700
DEBT - 4*5*2*20 - 800
BEED - 2*5*5*4 - 200
DATE - 4*1*20*5 - 400
Therefore, option C is the right answer.

RRB Group D Mock Test - 37 - Question 27
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If ‘+’ means ‘-’, ‘-’ means ‘*’, ‘*’ means ‘/’ and ‘/’ means ‘+’, then what is the value of the following expression?
13 - 13 / 3 - 63 * 9 + 2 -5
Detailed Solution for RRB Group D Mock Test - 37 - Question 27

Let us replace the symbols with the actual operators.

13 - 13 / 3 - 63 * 9 + 2 -5 = 13 * 13 + 3*63/9 - 2*5

Applying BODMAS rule, we get, 169 + 3*7 - 10 = 180
Therefore, option B is the right answer.

RRB Group D Mock Test - 37 - Question 28
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Which of the following options should come in the place of x,y and z in that order in the grid if it is known that all the numbers from 1 to 9 are used exactly once and the sums of the elements along both the diagonals are equal to the sum of the elements of the first column?
Detailed Solution for RRB Group D Mock Test - 37 - Question 28

Each number is used only once and the sums of numbers along both the diagonals are equal.
6 + z + y = 2 + 8 + z
=>y = 4
6 + 1+ 8 = 6 + z + 4
=> z = 5 and x = 3.
(x,y,z) = (3,4,5).
Therefore, option A is the right answer.

RRB Group D Mock Test - 37 - Question 29
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Consider the given statements to be true even if they are at odds with generally known things. Based on the statement, evaluate which of the conclusions follow:
Statements:

No tree is a herb.
All herbs are shrubs.
Some shrubs are trees.

Conclusions:
I: All shrubs being trees is a possibility.
II: All trees being shrubs is a possibility.
Detailed Solution for RRB Group D Mock Test - 37 - Question 29

The given statements can be expressed diagrammatically as follows without violating any of the conditions.

 

Shrubs that are herbs cannot be trees as no herb is a tree. Therefore, conclusion I does not follow.
Trees and herbs can be 2 disjoint subsets of Shrubs. Therefore, conclusion II follows.

Only conclusion II follows. Therefore, option B is the right answer.

RRB Group D Mock Test - 37 - Question 30
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Which of the following options will bear the same relationship as the words given in the first part of the question?
Belgium: glass :: Italy : ?
Detailed Solution for RRB Group D Mock Test - 37 - Question 30

Belgium is famous for glass products. Similarly, Italy is renowned for its marbles. Therefore, option C is the right answer.

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