RRB Group D / RPF Constable Exam  >  RRB Group D / RPF Constable Tests  >  RRB (Group D) Mock Tests & Previous Year Papers 2025  >  RRB Group D Mock Test - 4 - RRB Group D / RPF Constable MCQ

RRB Group D Mock Test - 4 - RRB Group D / RPF Constable MCQ


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30 Questions MCQ Test RRB (Group D) Mock Tests & Previous Year Papers 2025 - RRB Group D Mock Test - 4

RRB Group D Mock Test - 4 for RRB Group D / RPF Constable 2024 is part of RRB (Group D) Mock Tests & Previous Year Papers 2025 preparation. The RRB Group D Mock Test - 4 questions and answers have been prepared according to the RRB Group D / RPF Constable exam syllabus.The RRB Group D Mock Test - 4 MCQs are made for RRB Group D / RPF Constable 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB Group D Mock Test - 4 below.
Solutions of RRB Group D Mock Test - 4 questions in English are available as part of our RRB (Group D) Mock Tests & Previous Year Papers 2025 for RRB Group D / RPF Constable & RRB Group D Mock Test - 4 solutions in Hindi for RRB (Group D) Mock Tests & Previous Year Papers 2025 course. Download more important topics, notes, lectures and mock test series for RRB Group D / RPF Constable Exam by signing up for free. Attempt RRB Group D Mock Test - 4 | 100 questions in 90 minutes | Mock test for RRB Group D / RPF Constable preparation | Free important questions MCQ to study RRB (Group D) Mock Tests & Previous Year Papers 2025 for RRB Group D / RPF Constable Exam | Download free PDF with solutions
RRB Group D Mock Test - 4 - Question 1

A is two years older than b who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?

Detailed Solution for RRB Group D Mock Test - 4 - Question 1
Let C's age be x years
Then, B's age = 2x years
A's age = (2x + 2) years
∴ (2x + 2) + 2x + x = 27
⇒ 5x = 25
⇒ x = 5
Hence B's age = 2x = 10 years
RRB Group D Mock Test - 4 - Question 2

Which one of the following pairs of equations has a unique solution?

Detailed Solution for RRB Group D Mock Test - 4 - Question 2

Given two equations

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RRB Group D Mock Test - 4 - Question 3

One side of a right triangle measures 12 cm and the difference between the hypotenuse and the other side is 8 cm. The area of the triangle is

Detailed Solution for RRB Group D Mock Test - 4 - Question 3

Let the hypotenuse = x cm
Then the other side is (x - 8) cm
By Pythagoras theorem
(x - 8)2 + (12)2 = x2
⇒ x2 + 64 - 16x + 144 = x2
⇒ -16x = -208
⇒ x = 208/16 = 13 cm
∴ Hypotenuse = 13cm
so the other side = (13 - 8) = 5cm
Area = 1/2 x 12 x 5
= 30cm2

RRB Group D Mock Test - 4 - Question 4
The average weight of three men A,B and C is 84 kg. D joins them and the average weight of the four becomes 80 kg. If E, whose weight is 3 kg more than that of D,replaces A,the average weight of B,C,D and E becomes 79 kg. The weight of A is
RRB Group D Mock Test - 4 - Question 5

A motor boat whose speed is 15 km/hr in still water goes 30 km downstream and comes back in 4 hrs and and 30 minutes. Determine the speed of the stream.

Detailed Solution for RRB Group D Mock Test - 4 - Question 5

Let x km/hr be the speed of water
The speed of motor boat in still water is 15 km/hr, therefore, its speed downstream is (15 + x) km/hr and the speed upstream is (15 - x) km/hr
Time taken for given 30 km downstream = 30/15 + x hours
Time taken for going 30 km upstream = 30/15 - x hours
Since the total time is given to be 4 hours 30 minutes


or 1800 = 9(225 - x2)
or 200 - 225 + x2 = 0
or x2 = 25
⇒ x = 5, - 5
∴ x = 5 [as x cannot be negative so x = -5 is rejected]
Hence the speed of water = 5 km/hr

RRB Group D Mock Test - 4 - Question 6
A is the father of C. But C is not his son.
E is the daughter of C. F is the spouse of A.
B is the brother of C. D is the son of B.
G is the spouse of B. H is the father of G.
Who is the Grand mother of D?
RRB Group D Mock Test - 4 - Question 7
Who wrote 'Vaishnav Jan te.....'?
RRB Group D Mock Test - 4 - Question 8
Which one of the following statements is correct on the basis of Census-2001 ?
RRB Group D Mock Test - 4 - Question 9
Choose the analogous pair.
Pedant : Erudition
RRB Group D Mock Test - 4 - Question 10
Choose the numeral pair which is different from others .
Detailed Solution for RRB Group D Mock Test - 4 - Question 10
This is the only pair in which the second number is twice the first one
RRB Group D Mock Test - 4 - Question 11
If 'nitco sco tingo' stands for 'softer than flower'; 'tingo rho mst' stands for 'sweet flower fragrance' and 'mst sco tmp' stands for 'sweet than smile', what would 'fragrance' stand for ?
RRB Group D Mock Test - 4 - Question 12
Complete the analogous pair.
Calf : Cow : : Puppy : ?
RRB Group D Mock Test - 4 - Question 13

The compound interest on Rs 10000 in 2 years at 4% per annum, the interest being compounded half-yearly, is

Detailed Solution for RRB Group D Mock Test - 4 - Question 13

P = 10,000
T = 2 years
R = 4% (compounded half yearly)
⇒ R% = 2 + 2 + 4/100 = 4 + 0.04
⇒ R% = 4.04%
⇒ CI = P[1 + R/100 ]T - P
⇒ CI = 10000 [1 + 4.04/100 ]2 - 10000
⇒ CI = (104.04)2 - 10000
⇒ CI = 10824.3216 - 10000
⇒ CI = Rs 824.3216

RRB Group D Mock Test - 4 - Question 14
The main cause of the punic wars was :
RRB Group D Mock Test - 4 - Question 15
How many rectangles are there in the figure below?
Detailed Solution for RRB Group D Mock Test - 4 - Question 15
The figure in question has been labelled as under:

It is clear from the diagram above that there are eight rectangles namely
AEFM, EGHF, AGHM, GBLK, KLCN, GBCN, MHND, ABCD
RRB Group D Mock Test - 4 - Question 16
What is China's currency called?
RRB Group D Mock Test - 4 - Question 17
Who is the author of the book 'A Foreign Policy of India'?
RRB Group D Mock Test - 4 - Question 18
The Nehru-Liaquat Pact between India and Pakistan was signed in 1950 to resolve the issue of:
RRB Group D Mock Test - 4 - Question 19
Soni travelled 9 km to the west, then turned right and travelled 7 km, then turned left and travelled 8 km, then turned back and travelled 11km, then turned right and travelled 7 km. How far is he from the starting point?
RRB Group D Mock Test - 4 - Question 20
Four positions of a dice are shown below. What number must be at the bottom face when the dice is in the position as shown in fig. (III)?
Detailed Solution for RRB Group D Mock Test - 4 - Question 20
From figure (I), (II), (IV) we conclude that 5, 6, 1 and 2 lie adjacent to 4.
Hence, 3 must lie opposite 4 and vice-versa. In fig. (III), 3 is at the top and consequently 4 must lie at the bottom face.
RRB Group D Mock Test - 4 - Question 21
According to the latest statistics of the government, what percent of growth rate has been registered by the banking sector in December 2017 post Centre’s PSB recapitalisation plan?
RRB Group D Mock Test - 4 - Question 22

Who was appointed as the Managing Director (MD) and CEO of National Payments Corporation of India (NPCI)?

Detailed Solution for RRB Group D Mock Test - 4 - Question 22

The Managing Director (MD) and CEO of the National Payments Corporation of India (NPCI) is Dilip Asbe. He has played a significant role in leading the organization's efforts to improve India's digital payment infrastructure, including the development of the Unified Payments Interface (UPI) and other innovative payment systems

RRB Group D Mock Test - 4 - Question 23
Who is known as Indian Bismarck?
RRB Group D Mock Test - 4 - Question 24
'Kanchipuram' is in which of the following states?
RRB Group D Mock Test - 4 - Question 25
What are the two main parts of the computers required to be present essentially?
RRB Group D Mock Test - 4 - Question 26
Which of the following is a national net work
RRB Group D Mock Test - 4 - Question 27
GDP at factor cost is-
RRB Group D Mock Test - 4 - Question 28
National Income is the :
RRB Group D Mock Test - 4 - Question 29
The minor form of condensation near the surface that forms a mass is :
RRB Group D Mock Test - 4 - Question 30
Indicate the wrong combination :
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