RRB-NTPC 2021 Questions

04 Sep 2021 • Shift 3

89 Questions AvailableTake as Test

Question 1

Arithmetic

Infrastructure development is essential for sustaining high growth and reducing regional disparities. Which of the following sectors is NOT typically included in the core infrastructure sectors in India?

Cement

Tourism

Electricity

Iron and Steel

Question 2

Arithmetic

In which of the following years was the town of Madrasapatnam, which later expanded and developed into modern-day Chennai, purchased by the East India Company (EIC) from local kings?

1639

1690

1620

1658

Question 3

Arithmetic

Which of the following services is jointly controlled by both the Union and State Governments?

State Medical Service

Indian Economic Service

Central Engineering Service

Indian Administrative Service

Question 4

Arithmetic

Which missile defence system, named Sudarshan Chakra, was used by India to intercept drones and missiles during Pakistan's attempted strikes in May 2021?

Prithvi Air Defence

Akashteer

S-400 systems

Barak 8

Question 5

Arithmetic

Which copper-based alloy is a preferred material for making standard resistors because of its high resistivity and low temperature coefficient?

Alnico

Manganin

Tungsten

Brass

Question 6

Arithmetic

At the time of independence, India's economy was predominantly:

service-based

agricultural

industrial

trade-based

Question 7

Arithmetic

Which pair of scientists first proposed the double-helix model for the structure of DNA?

Darwin and Wallace

Mendel and Avery

Watson and Crick

Franklin and Chargaff

Question 8

Arithmetic

Which of the following is located in the west of the Deccan Plateau?

Mahadeo hills

Western Ghats

Maikal range

Eastern Ghats

Question 9

Arithmetic

What was the main focus of India's Second Five Year Plan with respect to the economy?

Heavy industrialisation

Expansion of services

Promotion of tourism

Green revolution

Question 10

Arithmetic

Which shortcut key combination allows you to quickly switch between open applications on a Windows computer?

Alt + Tab

Alt + F4

Alt + Del

Ctrl + Tab

Question 11

Arithmetic

Who among the following is known for popularising Bharatanatyam on the global stage?

Mallika Sarabhai

Sonal Mansingh

Hema Malini

Rukmini Devi Arundale

Question 12

Arithmetic

Which of the following statements about succession in the Gupta dynasty is true?

Sons had to prove their eligibility before an assembly

The eldest son was always crowned Yuvraj at priority

Only the eldest son could become king

The ruler always declared himself divine to get the throne

Question 13

Arithmetic

Who piloted Vasco da Gama's ship to Calicut during his first successful voyage to India in 1498?

Francisco Xavier

Zamorin

Abdul Majid

De Almeida

Question 14

Arithmetic

The indigenous inhabitants of India who were hostile, dark skinned and did not follow the Vedic system are referred to in Vedic texts as:

Dasyus

Dasas

Dravidas

Aryans

Question 15

Arithmetic

A small portion of the Singrauli Coalfield, which is located mainly in the Singrauli district of Madhya Pradesh, falls in which other State?

Chhattisgarh

Jharkhand

Uttar Pradesh

Odisha

Question 16

Arithmetic

Which of the following countries does NOT share a land border with India?

Afghanistan

Bhutan

Thailand

Myanmar

Question 17

Arithmetic

In which of the following national parks were eight African cheetahs translocated from Namibia in September 2022?

Banni grasslands

Kuno National Park

Mukundara Tiger Reserve

Gandhi Sagar Wildlife Sanctuary

Question 18

Arithmetic

Who launched the e-SeHAT application for accessible digital healthcare?

Bhupendra Patel

Hemant Soren

Pema Khandu

Omar Abdullah

Question 19

Arithmetic

A user wants to rename multiple files in a folder on Windows. What is the correct approach to do this efficiently?

Open each file and save it with a new name

Select all files → Right-click → Rename → Type a base name

Drag files to another folder and rename them there

Press Ctrl + Alt + R to rename all files

Question 20

Arithmetic

Who launched Prismix, an AI-driven media company?

Salman Khan

Amir Khan

Ajay Devgn

Shahrukh Khan

Question 21

Arithmetic

Which organisation released the State of the World's Children report, 2021?

UNDP

UNESCO

UNICEF

WHO

Question 22

Arithmetic

Who was named Songwriter of the Year at the 2021 Ivor Novello Awards, held at Grosvenor House, London?

Ed Sheeran

Sam Smith

RAYE

Charli XCX

Question 23

Arithmetic

Which social activist was awarded the Rammohan Acarya Sanman 2021 for service to rural tribal communities?

Medha Patkar

Aruna Roy

Parbati Mahato

Irom Sharmila

Question 24

Arithmetic

According to Article 130 of the Constitution of India, the Supreme Court shall sit in Delhi or in such other place or places as may be appointed by:

the President, in consultation with the Prime Minister

the Parliament, through legislation

the Union Cabinet, with advice from the Law Ministry

the Chief Justice of India, with the approval of the President

Question 25

Arithmetic

Manganese nodules are primarily found on:

river deltas

ocean beds

glacier surfaces

mountain slopes

Question 26

Arithmetic

Who is regarded as the chief architect of India's Green Revolution?

Dr. Manmohan Singh

PV Narasimha Rao

Dr. Verghese Kurien

MS Swaminathan

Question 27

Arithmetic

Which Article establishes the office of the President?

Article 75

Article 53

Article 74

Article 52

Question 28

Arithmetic

Which of the following Schedules deals with the administration and control of Scheduled Areas and Tribes?

Ninth

Sixth

Fifth

Seventh

Question 29

Logical

On May 20, 2021, the Supreme Court reinstated which requirement for candidates aspiring to become civil judges (junior division)?

Mandatory Ph.D. in Law

Three years of legal practice experience

Minimum age of 30 years

Passing a national-level judicial service exam

Question 30

Logical

September [2024] the Atacama Desert, where construction of the Extremely Large Telescope (ELT) is underway, is located in which country?

Chile

Argentina

Peru

Bolivia

Question 31

Logical

How is the vast distance between galaxies measured?

In light years

In seconds

In miles

In kilometres

Question 32

Logical

Which Indian leader emphasised a 'Nation First' ethos during a seminar in Lucknow in May 2021?

Amit Shah

Rajnath Singh

Narendra Modi

Yogi Adityanath

Question 33

Logical

Murlikant Rajaram Petkar of Maharashtra was awarded with Arjuna Award 2024 in which of the following fields?

Shooting

Para-Swimming

Swimming

Para-Shooting

Question 34

Logical

What does VLSRSAM stand for, which was successfully tested by the Indian Navy and Defence Research & Development Organisation (DRDO) in 2021?

Vertical-Launch Short-Range Surface-to-Air Missile

Variable Launch Strategic Recon Missile

Very Large Surface Recon Air Missile

Versatile Launch System for Rocket Missiles

Question 35

Logical

Which of the following gases is released when baking soda reacts with vinegar?

Carbon dioxide

Carbon monoxide

Ammonia

Hydrogen

Question 36

Logical

Hool Diwas is celebrated on June 30 every year in India to commemorate the Santhal Hool (rebellion) of ________.

1840

1855

1845

1850

Question 37

Logical

The Warli painting tradition gained international recognition, largely due to the efforts of which of the following renowned painters?

Jivya Soma Mashe

MF Husain

Amrita Sher-Gil

SH Raza

Question 38

Logical

Find the simple interest (in ₹) on ₹1,200 at an interest rate of 3% per month in 5 months.

180

Question 39

Logical

A shopkeeper offers a scheme discount of 'Buy goods worth ₹6000 and get ₹1000 worth of goods free'. What is the effective discount percentage (rounded off to two decimals)?

12%

16.67%

20%

14.29%

Question 40

Logical

Rupesh got an increase of 4% in his sales amount in the first year and 25% in the second year; also with this, his current sales are ₹1,35,200, what was his sales (in ₹) two years ago?

₹84,000

₹1,04,000

₹1,30,000

₹1,08,160

Question 41

Logical

A trader claims to sell spices at a profit of 68%, but also dishonestly uses a weight which is 12% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round off the answer to the nearest whole number.)

91%

96%

88%

89%

Question 42

Logical

Shahid and Mira have to travel from Delhi to Kanpur in their respective cars. Shahid is driving at 132 km/hr while Mira is driving at 60 km/hr. Find the time taken by Mira to reach Kanpur if Shahid takes 5 hours.

4 hours

8 hours

11 hours

1 hours

Question 43

Logical

6 years ago, the age of a father was 40 years more than twice his son's age. After how many years, from now, will he be twice his son's age?

Question 44

Logical

An amount of ₹456 is divided among three persons in the ratio of 16 : 14 : 8. The difference between the largest and the smallest shares (in ₹) in the distribution is:

120

133

Question 45

Logical

A number when increased by 100% gives 2690. The number is:

2690

672.5

1345

4035

Question 46

Logical

A sum of money triples itself at a certain rate of compound interest in 3 years. In how many years will it amount to 27 times of itself?

9 years

3 years

17 years

11 years

Question 47

Logical

Ishan bought some pens at the rate of ₹150/dozen. He sold them for ₹17 each. His profit percentage is ________%.

Question 48

Logical

If the third proportional of 8 and 56 be x, then what is the value of x?

392

394

390

393

Question 49

Logical

The sum of five numbers is 655. The average of the first two numbers is 80, and the third number is 103. Find the average of the remaining two numbers.

184

196

197

183

Question 50

Logical

The sum of two numbers is 81 and their L.C.M. is 420. What are the two numbers?

14, 67

26, 55

19, 62

21, 60

Question 51

Logical

M and N started a business. M invested ₹66,000 more than N for 5 months, while N invested for 7 months. M's share is ₹205 more than that of N, out of a total profit of ₹3,895. Find the capital contributed by M.

₹1,84,910

₹1,84,849

₹1,84,800

₹1,84,602

Question 52

Logical

The sum of two numbers is 115 and their L.C.M. is 600. What are the two numbers?

38, 77

45, 70

33, 82

40, 75

Question 53

The product of two consecutive natural numbers is 30. The greater of the two numbers is:

Question 54

Aryan has to reach Ahmedabad which is 977 km away in 11 hours. His starting speed for 4 hours was 39 km/hr. For the next 140 km his speed was 35 km/hr. By what speed he must travel now so as to reach Ahmedabad in the decided time of 11 hours?

227 km/hr

231 km/hr

221 km/hr

229 km/hr

Question 55

Find the area of a triangle whose sides are of lengths 5 cm, 12 cm and 13 cm.

32.5 cm²

78 cm²

30 cm²

60 cm²

Question 56

The LCM of the numbers 14.2 and 0.05 is:

142

1.42

0.142

14.2

Question 57

The marked price of a ceiling fan is ₹2,500. During off season, it is sold for ₹1,360. Find the discount percentage.

44.50%

45%

45.60%

42%

Question 58

The LCM of the numbers 10.8 and 0.06 is:

108

1.08

10.8

0.108

Question 59

The average runs scored by a batsman in 23 matches is 44. In the next 10 matches, the batsman scored an average of 14 runs. Find his average runs scored (rounded off to two decimal places) in all the 33 matches.

36.91

33.91

35.91

34.91

Question 60

The sum of all interior angles of a regular polygon is equal to twice the sum of all its exterior angles. The number of sides of the polygon is:

Question 61

If the radius of the base of a right circular cylinder is decreased by 19% and its height is increased by 122%, then what is the percentage increase (closest integer) in its volume?

33%

40%

50%

46%

Question 62

Sophie starts from Point A and drives 8 km towards south. She then takes a right turn, drives 6 km, turns left and drives 5 km. She then takes a left turn and drives 6 km. She takes a final right turn, drives 9 km and stops at Point P. How far (shortest distance) and towards which direction should she drive in order to reach Point A again? (All turns are $90^\circ$ turns only unless specified.)

18 km towards south

22 km towards south

18 km towards east

22 km towards north

Question 63

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair 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 pair.)

SV-YD

BE-HM

DG-JO

FI-LO

Question 64

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.) 96, 12 184, 23

164, 20

144, 18

172, 21

130, 16

Question 65

Seven people A, B, C, D, E, F and G are sitting in a row, facing the north. Only five people sit to the left of B. Only five people sit to the right of A. C sits to the immediate left of F but right of D. E does not sit to the right of D. How many people sit to the right of G?

Five

Zero

Three

Four

Question 66

If 1 is added for each even digit and 1 is subtracted from each odd digit of the number 56218643, how many digits are repeated more than once in the new number thus formed?

Two

None

Three

One

Question 67

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 fans are lights. No fan is a bulb. Conclusions: (I) No light is an bulb. (II) No bulb is a fan.

Only conclusion II follows.

Neither conclusion I nor II follows.

Only conclusion I follows.

Both conclusions I and II follow.

Question 68

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? PHZ 3, SKC 7, VNF 15, YQI 31, BTL 63, ?

EWO 127

FWO 127

EHO 127

EWO 128

Question 69

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. HARD - AHRD - DRAH ITEM - TIEM - METI

WENT - EWNT - TENW

DUSK - UDSK - KSUD

BITE - BTIE - ETIB

LONG - OLNG - ONGL

Question 70

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: All pins are bricks. All pins are rulers. Conclusions: (I) Some bricks are rulers. (II) All rulers are pins.

Only conclusion (I) follows.

Neither conclusion (I) nor (II) follows.

Only conclusion (II) follows.

Both conclusions (I) and (II) follow.

Question 71

Yusif starts from Point A and drives 9 km towards North. He then takes a left turn, drives 4 km, turns left and drives 11 km. He then takes a left turn and drives 5 km. He takes a final left turn, drives 2 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 $90^\circ$ turns only unless specified.)

1 km to the West

1 km to the East

2 km to the North

2 km to the South

Question 72

Refer to the following number, symbol series and answer the question. Counting to be done from left to right only. (Left) 2 / \ < > 2 5 $ % + 6 3 / 6 5 6 9 3 @ < & (Right) How many such numbers are there each of which is immediately preceded by another number and also immediately followed by a symbol?

Two

Four

One

Three

Question 73

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? GNU 11, DKR 21, AHO 41, XEL 81, UBI 161, ?

RYF 320

ROF 321

YYF 321

RYF 321

Question 74

What should come in place of the question mark (?) in the given series? 48 69 94 123 156 ?

223

213

193

203

Question 75

Seven people D, E, F, G, H, I and O are sitting around a circular table, facing the centre of the table. Only one person sits between H and O when counted from the left of O. I sits third to the right of D. F sits third to the left of E. I sits to the immediate right of F. G is not an immediate neighbour of F. How many people sit between G and O when counted from the right of G?

One

Three

Two

Four

Question 76

If 1 is added to each even digit and 1 is subtracted from each odd digit of the number 56218643, how many digits are repeated more than once in the new number formed?

Two

One

Three

None

Question 77

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair 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.)

QU-YE

MI-QW

GK-OU

VZ-DJ

Question 78

Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. FCV : KZQ ZQB : ENW

MUV : QPZ

PWL : UTG

YNQ : BIT

FLH : KHM

Question 79

In a certain code language, 'A = B' means 'A is the brother of B', 'A ¥ B' means 'A is the father of B', 'A # B' means 'A is the wife of B' and 'A% B' means 'A is the sister of B'. How is B related to S if 'B ¥ O% A = T # S'?

Wife's mother

Wife's father

Wife's brother

Wife's sister

Question 80

Seven boxes I, J, K, L, M, N and P are kept one over the other but not necessarily in the same order. Only L is kept above M. Only P is kept between M and J. Only N is kept below K. How many boxes are kept between I and N?

Three

One

Four

Two

Question 81

In a certain code language, 'youth shirt knife' is coded as 'nv to wh' and 'shirt son night' is coded as 'ch rb to'. How is 'shirt' coded in the given code language?

Question 82

What should come in place of the question mark (?) in the given series? 92 83 74 ? 56 47 38

Question 83

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.)

JNT

CGM

WAG

NRY

Question 84

What should come in place of the question mark (?) in the given series? 6 6 12 36 ? 720

108

120

172

144

Question 85

Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. EGO : FHP WSD : XTE

POI : QPK

TYC : UZE

JUG : KVI

CUT : DVU

Question 86

Each of the digits in the number 7841236 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?

None

Three

One

Two

Question 87

In a certain code language, 'ALSO' is coded as '4367' and 'SLOT' is coded as '2347'. What is the code for 'T' in the given code language?

Question 88

If 2 is added to each even digit and 2 is subtracted from each odd digit in the number 4792536, what will be the sum of all the even digits in the new number thus formed?

Question 89

This question is based on the five, three-digit numbers given below. (Left) 781 752 642 105 864 (Right) (Example: 697 - First digit = 6, second digit = 9 and third digit = 7) (Note: All operations to be done from left to right.) In how many of the given numbers is the third digit of a number a factor of the first digit as well as second digit of the same number?

Two

Four

None

Three