RRB-NTPC 2021 Questions

03 Sep 2021 • Shift 1

88 Questions AvailableTake as Test
Question 1
Arithmetic

Which reaction occurs when an alkoxide ion attacks a primary alkyl halide via SN2 mechanism?

A
Arndt-Eistert synthesis
B
Friedlaender synthesis
C
Williamson synthesis
D
Coumarin synthesis
Question 2
Arithmetic

Jharkhand has announced its first tiger safari in the Barwadih Western Forest Range; it is a part of which tiger reserve?

A
Bandipur Tiger Reserve
B
Sanjay Gandhi Tiger Reserve
C
Palamau Tiger Reserve
D
Pench Tiger Reserve
Question 3
Arithmetic

Hills of Kaimur, the easternmost part of the Vindhya Range, which begins near Jabalpur districts of Madhya Pradesh, ends near which district of Bihar?

A
Patna
B
Nawada
C
Rohtas
D
Munger
Question 4
Arithmetic

Which of the following is true about the original jurisdiction of the Supreme Court of India?

A
It reviews the decisions of tribunals
B
It grants pardons to criminals
C
It settles disputes between the Union and states
D
It deals with criminal appeals only
Question 5
Arithmetic

What is the disintegration of rocks into smaller fragments without any change in their chemical composition called?

A
Exfoliation
B
Block disintegration
C
Mechanical weathering
D
Frost Action
Question 6
Arithmetic

Which of the following is a major challenge for Indian cities due to rapid urbanisation?

A
Improved access to green spaces
B
Decline in urban unemployment
C
Pressure on infrastructure and services
D
Enhanced walkability in all city zones
Question 7
Arithmetic

The United Kingdom has signed an agreement to hand over Chagos Island to which of the following countries?

A
Indonesia
B
Mauritius
C
Malaysia
D
Madagascar
Question 8
Arithmetic

What was the main characteristic of the Indian economy at the time of independence in 1947?

A
High per capita income
B
Self-sufficiency in food grains
C
Dominance of the industrial sector
D
Predominantly agrarian with low productivity
Question 9
Arithmetic

Which of these is a distinct feature of a statutory corporation in India?

A
It is fully owned by private shareholders and receives no government funding.
B
It has no legal existence separate from the government.
C
It is established by an Act, has a separate legal identity, and can sue or be sued.
D
Its employees are considered government civil servants under the usual rules.
Question 10
Arithmetic

Which of the following methods is used to rename a file or folder in MS Windows?

A
Double-click the file to open it
B
Right-click the file and select 'Delete'
C
Press 'Ctrl + R'
D
Right-click the file and select 'Rename'
Question 11
Arithmetic

What is the official name of Kerala's 2021 healthcare reform initiative?

A
Better Health Blueprint
B
Care4Kerala Mission
C
Comprehensive Health Kerala
D
Kerala Health System Improvement Programme
Question 12
Arithmetic

Who introduced the Bharatiya Vayuyan Adhiniyam that was passed in the Rajya Sabha in December 2024?

A
Ram Mohan Naidu
B
Hardeep Singh Puri
C
Jyotiraditya M Scindia
D
Kiren Rijiju
Question 13
Arithmetic

As of April 2021, what amount of monthly pension is given to players under Pandit Deendayal Upadhyay National Welfare Fund for Sportspersons (PDUNWFS) scheme?

A
₹3,000
B
₹5,000
C
₹4,000
D
₹6,000
Question 14
Arithmetic

Which of the following factors most influences the uneven distribution of population in India?

A
Language diversity
B
Trade union policies
C
National income
D
Soil fertility and water availability
Question 15
Arithmetic

Which of the following combinations of shortcut keys and functions is correctly matched?

A
Ctrl + Tab – Copies the selected text
B
Ctrl + C – Copies content to the clipboard
C
Ctrl + F – Switches between open tabs
D
Ctrl + V – Finds a specific word in the document
Question 16
Arithmetic

Which Indian judgment laid down the concept of 'Basic Structure' of the Constitution?

A
Golaknath v. State of Punjab
B
Kesavananda Bharati v. State of Kerala
C
Minerva Mills v. Union of India
D
Maneka Gandhi v. Union of India
Question 17
Arithmetic

Which law states that a compound always contains the same elements in the same proportion by mass?

A
Law of Conservation of Mass
B
Law of Definite Proportions
C
Law of Multiple Proportions
D
Avogadro's Law
Question 18
Arithmetic

Which of the following Indian players won ICC Men's Player of the Month for March 2021?

A
Rohit Sharma
B
KL Rahul
C
Virat Kohli
D
Shreyas Iyer
Question 19
Arithmetic

Which Indian institution, on 15 May 2021, collaborated with Japan's Sharp Semiconductor Innovation Corporation (SSIC) to successfully test Beyond 5G (B5G) and 6G wireless technologies?

A
Indian Institute of Technology Hyderabad (IIT-H)
B
Indian Institute of Technology Madras (IIT-M)
C
Indian Institute of Technology Bombay (IIT-B)
D
Indian Institute of Technology Delhi (IIT-D)
Question 20
Arithmetic

Who among the following joined the Planning Commission as its Vice-Chairman in March 1950?

A
Jagjeevan Ram
B
Shyama Prasad Mukherjee
C
John Mathai
D
Gulzarilal Nanda
Question 21
Arithmetic

Which Indian athlete broke the women's shot put indoor national record at the Mountain West Indoor Track and Field Championships 2021?

A
Navjeet Kaur Dhillon
B
Kamalpreet Kaur
C
Manpreet Kaur
D
Krishna Jayasankar
Question 22
Arithmetic

Which Indian Army unit represented India in VINBAX, conducted in November 2024?

A
Gorkha Rifles
B
Corps of Engineers
C
Mechanised Infantry Regiment
D
Parachute Regiment
Question 23
Arithmetic

Which tribal revolt in 1831-32 was led by Buddho Bhagat and targeted exploitative landlords and British officials?

A
Kol Revolt
B
Bhil Revolt
C
Munda Revolt
D
Santhal Revolt
Question 24
Arithmetic

Which renewable energy source has the largest installed capacity in India as of the year 2021?

A
Solar energy
B
Hydro power
C
Wind energy
D
Geothermal energy
Question 25
Arithmetic

Who among the following is eligible to be appointed as the Chairperson of the Lokpal, as per the Lokpal and Lokayuktas Act, 2013?

A
A retired Cabinet Secretary of India
B
A sitting judge of a High Court
C
A current Member of Parliament
D
A former Judge of the Supreme Court
Question 26
Arithmetic

In which of the following years was the Central Goods and Services Tax Act enacted?

A
2007
B
2013
C
2009
D
2017
Question 27
Arithmetic

Which river from the following originates from the Amarkantak Plateau?

A
Mahanadi
B
Ganga
C
Narmada
D
Tapti
Question 28
Arithmetic

What is the main objective of the Khelo India scheme?

A
Strengthen sports culture and identify young talent
B
Promote yoga in schools and colleges
C
Build sport organisations and stadiums in metro cities
D
Encourage traditional games and sports
Question 29
Arithmetic

In which year was the first cases of the disease now known as acquired immunodeficiency syndrome (AIDS) identified?

A
1988
B
1981
C
1992
D
1977
Question 30
Logical

The Pallava kings adopted which title to reflect that their rule was guided by the principles of the Dharmashastras?

A
Maharajadhiraja
B
Chakravarti
C
Dharma-Maharaja
D
Rajadhiraja
Question 31
Logical

What is the tenure duration of Justice BR Gavai as the Chief Justice of India?

A
1 year
B
6 months
C
2 years
D
3 years
Question 32
Logical

Which Schedule of the Constitution deals with the administration of Scheduled Areas in states, other than the Northeast?

A
Ninth Schedule
B
Seventh Schedule
C
Fifth Schedule
D
Sixth Schedule
Question 33
Logical

What does globalisation mainly mean in economic terms?

A
Closing borders
B
Connecting to the world economy
C
Limiting trade
D
Stopping foreign investment
Question 34
Logical

The five village committees (variyams) such as neernilai variyam and needhi variyam were a unique administrative feature of which of the following dynasties?

A
Pandyas
B
Guptas
C
Satavahanas
D
Mauryas
Question 35
Logical

Where and when is the final in-flight testing of the Kaveri Derivative Engine (KDE) scheduled, as part of its certification process?

A
India, early 2021
B
Russia, late 2021
C
China, mid-2026
D
France, late 2021
Question 36
Logical

Technological innovation was key to the success of the Green Revolution. The success of HYV seeds in India was contingent on which critical input?

A
Forest cover
B
Hand tools
C
Chemical fertilisers
D
Organic compost
Question 37
Logical

Which country took over the Chairmanship of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) on 1 January 2021?

A
Canada
B
Australia
C
Japan
D
New Zealand
Question 38
Logical

Who was the Chief Architect behind the integration of over 560 princely states into the Indian Union?

A
Sardar Vallabhbhai Patel
B
Lord Mountbatten
C
Jawaharlal Nehru
D
Rajendra Prasad
Question 39
Logical

The H.C.F. and the L.C.M. of two numbers are 4 and 208 respectively. If one of the numbers is 52, find the other one.

A
45
B
55
C
16
D
8
Question 40
Logical

Find the perimeter of a rectangular plot whose length is 68 m and area is 1904 $m^2$.

A
192 m
B
165 m
C
186 m
D
174 m
Question 41
Logical

Find the simple interest (in ₹) on ₹3,000 as a sum borrowed at 8% per year rate of interest for 6 years.

A
1,440
B
1,480
C
1,380
D
1,400
Question 42
Logical

A number when increased by 80% gives 2880. The number is:

A
1600
B
800
C
3200
D
4800
Question 43
Logical

The sum of five numbers is 655. The average of the first two numbers is 80 and the third number is 105. Find the average of the remaining two numbers.

A
185
B
196
C
186
D
195
Question 44
Logical

David bought some sharpeners at the rate of ₹150 a dozen. He sold them for ₹43 each. His profit percentage is ______ %.

A
242
B
244
C
248
D
246
Question 45
Logical

Simplify: $x(3x - 8) + 3(x^2-5) + 11$

A
$-6x^2-8x-4$
B
$6x^2 - 8x + 4$
C
$-6x^2-8x + 4$
D
$6x^2 - 8x - 4$
Question 46
Logical

Two times the present age of P exceeds the present age of Q by 15 years. After 9 years, twice Q's age will be 14 years less than twice P's age at that time. What is the present age (in years) of Q?

A
3
B
8
C
1
D
6
Question 47
Logical

Which of the following ratios is the greatest?

A
48 : 90
B
46 : 51
C
22 : 54
D
42 : 68
Question 48
Logical

Anshuman and Kunal together invested ₹70,400 in a business. At the end of the year, out of a total profit of ₹12,000, Kunal's share was ₹1,800. What was the difference between their investments?

A
₹48,614
B
₹50,554
C
₹49,280
D
₹47,329
Question 49
Logical

The LCM of the numbers 2.9 and 0.031 is:

A
899
B
8.99
C
0.899
D
89.9
Question 50
Logical

The number of prime numbers lying between 397 and 407, both included, is:

A
1
B
4
C
6
D
2
Question 51
Logical

In an election between two candidates 96% of the registered voters cast their vote and 10% of the votes polled were found invalid. Winning candidate got 57% of the valid votes and won the election by a margin of 378 votes. How many voters were registered?

A
3123
B
3122
C
21872
D
3125
Question 52
Logical

A piece of furniture is marked at 35% above its cost price. The shopkeeper gives a discount of 18% on the marked price and still earns ₹1,498 profit. What is the cost price of the furniture?

A
₹16,000
B
₹12,000
C
₹14,000
D
₹15,000
Question 53
Logical

Evaluate $24^2$.

A
576
B
546
C
626
D
536
Question 54
Logical

Ishaan and Meghna have to travel from Delhi to Kanpur in their respective cars. Ishaan is driving at 147 km/hr while Meghna is driving at 42 km/hr. Find the time taken by Meghna to reach Kanpur if Ishaan takes 8 hours.

A
32 hours
B
19 hours
C
33 hours
D
28 hours
Question 55
Logical

The marked price of a vehicle is ₹6,48,200. It is sold after allowing three successive discounts of 6%, 5% and 4%. Find its selling price. (Rounded off to nearest rupee)

A
₹5,55,689
B
₹5,70,650
C
₹5,60,789
D
₹5,48,600
Question 56
Logical

The exterior angle of a regular polygon is one-seventh of its interior angle. How many sides does the polygon have?

A
18
B
24
C
12
D
16
Question 57
GK

The product of two positive numbers is 2645. If the first number is five times the second number, then the sum of the two numbers is:

A
138
B
149
C
146
D
155
Question 58
GK

The average runs scored by a batsman in 23 matches is 43. In the next 10 matches, the batsman scored an average of 15 runs. Find his average runs scored (rounded off to two decimal places) in all the 33 matches.

A
33.52
B
35.52
C
34.52
D
36.52
Question 59
GK

The number 938315 is divisible by which of the following?

A
12
B
13
C
5
D
9
Question 60
GK

An amount of ₹785 is divided among three persons in the ratio of 19: 3:18. The difference between the largest and the smallest shares (in ₹) in the distribution is:

A
387
B
315
C
314
D
369
Question 61
GK

Aarohi has to reach Lucknow which is 907 km away in 14 hours. His starting speed for 5 hours was 32 km/hr. For the next 81 km his speed was 27 km/hr. By what speed he must travel now so as to reach Lucknow in the decided time of 14 hours?

A
108 km/hr
B
117 km/hr
C
107 km/hr
D
111 km/hr
Question 62
GK

In a certain code language, 'RACK' is coded as '3192' and 'JACK' is coded as '1326'. What is the code for 'J' in the given code language?

A
6
B
1
C
3
D
2
Question 63
GK

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements. Statements: No watch is a bow. No bow is a tie. Conclusions: (I) No watch is a tie. (II) No bow is a watch.

A
Both conclusions (I) and (II) follow.
B
Only conclusion (I) follows.
C
Neither conclusion (I) nor (II) follows.
D
Only conclusion (II) follows.
Question 64
GK

What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged? $17 ÷ 3 + 49 × 7 − 13 = ?$

A
41
B
57
C
45
D
43
Question 65
GK

What should come in place of the question mark (?) in the given series? 691 692 690 691 689 690 688 ?

A
688
B
689
C
687
D
690
Question 66
GK

In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the pair in which the numbers are related in the same way as are the numbers of the following pairs. (Note: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 25, 100 21, 84

A
28, 102
B
40, 180
C
32, 128
D
35, 120
Question 67
GK

In a certain code language, A $ B means 'A is the daughter of B' A + B means 'A is the brother of B' A@B means 'A is the wife of B' A ÷ B means 'A is the father of B' Based on the above, how is E related to N if ‘E $ F @ G ÷ M + N’?

A
Mother
B
Daughter
C
Wife
D
Sister
Question 68
GK

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

A
NQL
B
EHC
C
UXS
D
LKO
Question 69
GK

Manoj starts from Point A and drives 9 km towards north. He then takes a right turn, drives 6 km, turns right and drives 3 km. He then takes a left turn and drives 5 km. He takes a final right turn, drives 6 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)

A
9 km towards south
B
9 km towards west
C
11 km towards east
D
11 km towards west
Question 70
GK

In a certain code language, 'mud depth urn' is coded as 'qz bd aa' and 'rain dog mud' is coded as 'bd gl kn'. How is 'mud' coded in the given code language?

A
qz
B
aa
C
gl
D
bd
Question 71
GK

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All stars are rectangles. All cones are rectangles. Conclusions: (I): Some stars are cones. (II): Some rectangles are cones.

A
Both conclusions (I) and (II) follow.
B
Only conclusion (II) follows.
C
Neither conclusion (I) nor (II) follows.
D
Only conclusion (I) follows.
Question 72
GK

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

A
ZUX
B
VQU
C
XSV
D
QLO
Question 73
GK

Seven people A, B, C, D, E, F and G are sitting in a row, facing the north. No one sits to the right of G. Only four people sit between E and F. C sits fifth from the right end of the row. B sits to the immediate right of A but left of E. How many people sit to the right of D?

A
Four
B
Three
C
Two
D
Five
Question 74
GK

Six friends, B, C, D, E, F and N, are sitting in a straight line, facing north. No one sits to the right of D. Only two people sit between D and B. Only one person sits between E and C. F sits third to the right of E. How many people sit between N and F?

A
Two
B
One
C
Zero
D
Three
Question 75
GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? WTX SPT OLP KHL ?

A
GCH
B
GDI
C
GCI
D
GDH
Question 76
GK

Refer to the following number and symbol series and answer the question: (Left) 7 @ 3 # 5 * 2 + 8 % 4 $ 6 & 9 (Right) How many such symbols are there which are immediately preceded by a number and immediately followed by another symbol ?

A
1
B
4
C
3
D
2
Question 77
GK

Pratik starts from Point A and drives 10 km towards the north. He then takes a right turn and drives 8 km, then turns right and drives 17 km. He then takes a right turn and drives 10 km. He takes a final right turn, drives 7 km and stops at Point P. How far (shortest distance) and in which direction should he drive in order to reach Point A again? (All turns are 90-degree turns only unless specified.)

A
2 km to the west
B
2 km to the east
C
3 km to the east
D
3 km to the west
Question 78
GK

What should come in place of the question mark (?) in the given series? 14 26 49 81 124 ?

A
178
B
167
C
187
D
176
Question 79
GK

Each of the digits in the number 1593486 is arranged in the ascending order from left to right. What will be the sum of the digits that are third from the left and third from the right in the new number thus formed?

A
12
B
10
C
8
D
9
Question 80
GK

WFJU is related to YILX in a certain way based on the English alphabetical order. In the same way, ERRG is related to GUTJ. To which of the given options is KAXP related, following the same logic?

A
MZSD
B
MXZS
C
MDZS
D
MDSZ
Question 81
GK

What should come in place of the question mark (?) in the given series? 35 44 55 68 83 ?

A
116
B
122
C
100
D
128
Question 82
GK

In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one which follows the same logic. SOLD - OSLD - DOSL BAKE - ABKE - EABK

A
CURD - CRUD - DRUC
B
CAME - ACME - AMEC
C
MILK - IMLK - KILM
D
NEAM - ENAM - MENA
Question 83
GK

Each of the digits in the number 7812345 is arranged in ascending order from left to right. The position(s) of how many digits will remain unchanged as compared to that in the original number?

A
None
B
Two
C
One
D
Three
Question 84
GK

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Note: All numbers are single digit numbers only.) (Left) 5 @ 1 £ 3 * 4 7 + $ 9 % 6 2 & 8 Ω # (Right) If all the number are dropped from the series, which of the following will be sixth from the right?

A
+
B
@
C
*
D
$
Question 85
GK

even boxes P, Q, R, S, T, U and V are kept one over the other but not necessarily in the same order. Only three boxes are kept below R . Only two boxes are kept between R and V . Only P is kept above U (i.e., P is immediately above U). Q is kept at some place below S and at some place above T . Which box is kept at the second position from the bottom ?

A
T
B
Q
C
V
D
U
Question 86
GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? CHR HMW MRB RWG ?

A
WLB
B
WKL
C
WLK
D
WBL
Question 87
GK

FHNR is related to MMSY in a certain way based on the English alphabetical order. In the same way, HBHT is related to OGMA. To which of the given options is CQWO related, following the same logic?

A
JVVB
B
JVBV
C
BVVJ
D
JBVV
Question 88
GK

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

A
SMHD
B
BWQM
C
QLFB
D
GBVR