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 synthesisB
Friedlaender synthesisC
Williamson synthesisD
Coumarin synthesisQuestion 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 ReserveB
Sanjay Gandhi Tiger ReserveC
Palamau Tiger ReserveD
Pench Tiger ReserveQuestion 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
PatnaB
NawadaC
RohtasD
MungerQuestion 4
Arithmetic
Which of the following is true about the original jurisdiction of the Supreme Court of India?
A
It reviews the decisions of tribunalsB
It grants pardons to criminalsC
It settles disputes between the Union and statesD
It deals with criminal appeals onlyQuestion 5
Arithmetic
What is the disintegration of rocks into smaller fragments without any change in their chemical composition called?
A
ExfoliationB
Block disintegrationC
Mechanical weatheringD
Frost ActionQuestion 6
Arithmetic
Which of the following is a major challenge for Indian cities due to rapid urbanisation?
A
Improved access to green spacesB
Decline in urban unemploymentC
Pressure on infrastructure and servicesD
Enhanced walkability in all city zonesQuestion 7
Arithmetic
The United Kingdom has signed an agreement to hand over Chagos Island to which of the following countries?
A
IndonesiaB
MauritiusC
MalaysiaD
MadagascarQuestion 8
Arithmetic
What was the main characteristic of the Indian economy at the time of independence in 1947?
A
High per capita incomeB
Self-sufficiency in food grainsC
Dominance of the industrial sectorD
Predominantly agrarian with low productivityQuestion 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 itB
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 BlueprintB
Care4Kerala MissionC
Comprehensive Health KeralaD
Kerala Health System Improvement ProgrammeQuestion 12
Arithmetic
Who introduced the Bharatiya Vayuyan Adhiniyam that was passed in the Rajya Sabha in December 2024?
A
Ram Mohan NaiduB
Hardeep Singh PuriC
Jyotiraditya M ScindiaD
Kiren RijijuQuestion 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
₹3,000B
₹5,000C
₹4,000D
₹6,000Question 14
Arithmetic
Which of the following factors most influences the uneven distribution of population in India?
A
Language diversityB
Trade union policiesC
National incomeD
Soil fertility and water availabilityQuestion 15
Arithmetic
Which of the following combinations of shortcut keys and functions is correctly matched?
A
Ctrl + Tab – Copies the selected textB
Ctrl + C – Copies content to the clipboardC
Ctrl + F – Switches between open tabsD
Ctrl + V – Finds a specific word in the documentQuestion 16
Arithmetic
Which Indian judgment laid down the concept of 'Basic Structure' of the Constitution?
A
Golaknath v. State of PunjabB
Kesavananda Bharati v. State of KeralaC
Minerva Mills v. Union of IndiaD
Maneka Gandhi v. Union of IndiaQuestion 17
Arithmetic
Which law states that a compound always contains the same elements in the same proportion by mass?
A
Law of Conservation of MassB
Law of Definite ProportionsC
Law of Multiple ProportionsD
Avogadro's LawQuestion 18
Arithmetic
Which of the following Indian players won ICC Men's Player of the Month for March 2021?
A
Rohit SharmaB
KL RahulC
Virat KohliD
Shreyas IyerQuestion 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 RamB
Shyama Prasad MukherjeeC
John MathaiD
Gulzarilal NandaQuestion 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 DhillonB
Kamalpreet KaurC
Manpreet KaurD
Krishna JayasankarQuestion 22
Arithmetic
Which Indian Army unit represented India in VINBAX, conducted in November 2024?
A
Gorkha RiflesB
Corps of EngineersC
Mechanised Infantry RegimentD
Parachute RegimentQuestion 23
Arithmetic
Which tribal revolt in 1831-32 was led by Buddho Bhagat and targeted exploitative landlords and British officials?
A
Kol RevoltB
Bhil RevoltC
Munda RevoltD
Santhal RevoltQuestion 24
Arithmetic
Which renewable energy source has the largest installed capacity in India as of the year 2021?
A
Solar energyB
Hydro powerC
Wind energyD
Geothermal energyQuestion 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 IndiaB
A sitting judge of a High CourtC
A current Member of ParliamentD
A former Judge of the Supreme CourtQuestion 26
Arithmetic
In which of the following years was the Central Goods and Services Tax Act enacted?
A
2007B
2013C
2009D
2017Question 27
Arithmetic
Which river from the following originates from the Amarkantak Plateau?
A
MahanadiB
GangaC
NarmadaD
TaptiQuestion 28
Arithmetic
What is the main objective of the Khelo India scheme?
A
Strengthen sports culture and identify young talentB
Promote yoga in schools and collegesC
Build sport organisations and stadiums in metro citiesD
Encourage traditional games and sportsQuestion 29
Arithmetic
In which year was the first cases of the disease now known as acquired immunodeficiency syndrome (AIDS) identified?
A
1988B
1981C
1992D
1977Question 30
Logical
The Pallava kings adopted which title to reflect that their rule was guided by the principles of the Dharmashastras?
A
MaharajadhirajaB
ChakravartiC
Dharma-MaharajaD
RajadhirajaQuestion 31
Logical
What is the tenure duration of Justice BR Gavai as the Chief Justice of India?
A
1 yearB
6 monthsC
2 yearsD
3 yearsQuestion 32
Logical
Which Schedule of the Constitution deals with the administration of Scheduled Areas in states, other than the Northeast?
A
Ninth ScheduleB
Seventh ScheduleC
Fifth ScheduleD
Sixth ScheduleQuestion 33
Logical
What does globalisation mainly mean in economic terms?
A
Closing bordersB
Connecting to the world economyC
Limiting tradeD
Stopping foreign investmentQuestion 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
PandyasB
GuptasC
SatavahanasD
MauryasQuestion 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 2021B
Russia, late 2021C
China, mid-2026D
France, late 2021Question 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 coverB
Hand toolsC
Chemical fertilisersD
Organic compostQuestion 37
Logical
Which country took over the Chairmanship of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) on 1 January 2021?
A
CanadaB
AustraliaC
JapanD
New ZealandQuestion 38
Logical
Who was the Chief Architect behind the integration of over 560 princely states into the Indian Union?
A
Sardar Vallabhbhai PatelB
Lord MountbattenC
Jawaharlal NehruD
Rajendra PrasadQuestion 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
45B
55C
16D
8Question 40
Logical
Find the perimeter of a rectangular plot whose length is 68 m and area is 1904 $m^2$.
A
192 mB
165 mC
186 mD
174 mQuestion 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
1,440B
1,480C
1,380D
1,400Question 42
Logical
A number when increased by 80% gives 2880. The number is:
A
1600B
800C
3200D
4800Question 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
185B
196C
186D
195Question 44
Logical
David bought some sharpeners at the rate of ₹150 a dozen. He sold them for ₹43 each. His profit percentage is ______ %.
A
242B
244C
248D
246Question 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
3B
8C
1D
6Question 47
Logical
Which of the following ratios is the greatest?
A
48 : 90B
46 : 51C
22 : 54D
42 : 68Question 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
₹48,614B
₹50,554C
₹49,280D
₹47,329Question 49
Logical
The LCM of the numbers 2.9 and 0.031 is:
A
899B
8.99C
0.899D
89.9Question 50
Logical
The number of prime numbers lying between 397 and 407, both included, is:
A
1B
4C
6D
2Question 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
3123B
3122C
21872D
3125Question 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
₹16,000B
₹12,000C
₹14,000D
₹15,000Question 53
Logical
Evaluate $24^2$.
A
576B
546C
626D
536Question 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 hoursB
19 hoursC
33 hoursD
28 hoursQuestion 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
₹5,55,689B
₹5,70,650C
₹5,60,789D
₹5,48,600Question 56
Logical
The exterior angle of a regular polygon is one-seventh of its interior angle. How many sides does the polygon have?
A
18B
24C
12D
16Question 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
138B
149C
146D
155Question 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
33.52B
35.52C
34.52D
36.52Question 59
GK
The number 938315 is divisible by which of the following?
A
12B
13C
5D
9Question 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
387B
315C
314D
369Question 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/hrB
117 km/hrC
107 km/hrD
111 km/hrQuestion 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
6B
1C
3D
2Question 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
41B
57C
45D
43Question 65
GK
What should come in place of the question mark (?) in the given series? 691 692 690 691 689 690 688 ?
A
688B
689C
687D
690Question 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, 102B
40, 180C
32, 128D
35, 120Question 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
MotherB
DaughterC
WifeD
SisterQuestion 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
NQLB
EHCC
UXSD
LKOQuestion 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 southB
9 km towards westC
11 km towards eastD
11 km towards westQuestion 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
qzB
aaC
glD
bdQuestion 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
ZUXB
VQUC
XSVD
QLOQuestion 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
FourB
ThreeC
TwoD
FiveQuestion 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
TwoB
OneC
ZeroD
ThreeQuestion 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
GCHB
GDIC
GCID
GDHQuestion 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
1B
4C
3D
2Question 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 westB
2 km to the eastC
3 km to the eastD
3 km to the westQuestion 78
GK
What should come in place of the question mark (?) in the given series? 14 26 49 81 124 ?
A
178B
167C
187D
176Question 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
12B
10C
8D
9Question 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
MZSDB
MXZSC
MDZSD
MDSZQuestion 81
GK
What should come in place of the question mark (?) in the given series? 35 44 55 68 83 ?
A
116B
122C
100D
128Question 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 - DRUCB
CAME - ACME - AMECC
MILK - IMLK - KILMD
NEAM - ENAM - MENAQuestion 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
NoneB
TwoC
OneD
ThreeQuestion 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
TB
QC
VD
UQuestion 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
WLBB
WKLC
WLKD
WBLQuestion 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
JVVBB
JVBVC
BVVJD
JBVVQuestion 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
SMHDB
BWQMC
QLFBD
GBVR