RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 1001
Arithmetic
Which valuable tree grows mainly in the western Himalayas and is used in construction?
A
MagnoliaB
RhododendronC
CinchonaD
DeodarQuestion 1002
Arithmetic
Which of the following is cited as evidence for a highly centralised administration in the Indus-Sarasvati civilisation?
A
Elaborate royal tombsB
Absence of seals and standard scriptC
Standardised weights and measuresD
Monumental palaces and templesQuestion 1003
Arithmetic
Which non-constitutional body investigates corruption complaints against public servants?
A
Finance CommissionB
LokpalC
Election CommissionD
Union Public Service CommissionQuestion 1004
Arithmetic
Which Indian Army officer has written the book titled 'Ready, Relevant and Resurgent: A Blueprint for the Transformation of India's Military', which was unveiled by the Defence Minister Rajnath Singh in May 2021?
A
CDS General Anil ChauhanB
Lieutenant General NS Raja SubramaniC
Lieutenant General Rajiv GhaiD
General Upendra DwivediQuestion 1005
Arithmetic
The brothers Sidhu and Kanhu were the leaders of which of the following tribal uprisings?
A
Koya revoltsB
Santhal RebellionC
Kol MutinyD
Ho uprisingQuestion 1006
Arithmetic
Which of the following is/are an ancient set of inscriptions, promoting moral values and governance principles and is considered one of the earliest written records in Indian history?
A
ArthashastraB
UpanishadsC
VedasD
Edicts of AshokaQuestion 1007
Arithmetic
Which of the following human activities contributes the most to the increase in atmospheric carbon dioxide levels?
A
Construction of damsB
Burning of fossil fuelsC
Use of fertilisers in agricultureD
AfforestationQuestion 1008
Arithmetic
Which of the following organisations developed the nanoporous multilayered polymeric membrane for high-pressure seawater desalination in May 2021?
A
Council of Scientific and Industrial Research (CSIR)B
Department of Science and Technology (DST)C
Defence Research and Development Organisation (DRDO)D
Indian Space Research Organisation (ISRO)Question 1009
Arithmetic
The Juvenile Justice (Care and Protection of Children) Act, 2015, allows juveniles aged 16-18 to be tried as adults in cases of:
A
theftB
drug abuseC
cybercrimeD
heinous crimesQuestion 1010
Arithmetic
China deployed a sophisticated Large Phased Array Radar (LPAR) system near the __________ raising concerns over increased surveillance capabilities.
A
India-Bangladesh borderB
India-Nepal borderC
India-Bhutan borderD
India-Myanmar borderQuestion 1011
Arithmetic
What is the correct order of the three-tier Panchayati Raj structure from bottom to top in India?
A
Panchayat Samiti – Gram Panchayat – Zila ParishadB
Gram Sabha – Gram Panchayat – Zila ParishadC
Gram Panchayat – Panchayat Samiti – Zila ParishadD
Zila Parishad – Panchayat Samiti – Gram PanchayatQuestion 1012
Arithmetic
How did the Industrial Revolution alter the British economic interests in India?
A
From taxes to feudal ruleB
From plantations to nomadic lifeC
From control to cultural tiesD
From trade to industry and raw material useQuestion 1013
Arithmetic
Which among the following South Indian kingdoms is known for the conquest that crossed the river Ganga in the north?
A
PandyasB
PallavaC
ChalukyaD
CholaQuestion 1014
Arithmetic
Which chemical process results in the formation of plaque on copper, the rusting of iron and the blackening of silver?
A
FlocculationB
ExtrusionC
CorrosionD
EncapsulationQuestion 1015
Arithmetic
Which of the following sectors employed the largest share of India’s population before independence?
A
IndustryB
AgricultureC
ServicesD
TradeQuestion 1016
Arithmetic
Which type of rural settlement is most common in the northeastern states and Northern Plains of India?
A
DispersedB
Semi-clusteredC
HamletedD
ClusteredQuestion 1017
Arithmetic
Which of the following players was awarded with National Sports award 2024 in the field of Para-Badminton in January 2021?
A
Nithya Sre Sumathy SivanB
Saina NehwalC
PV SindhuD
S MuralidharanQuestion 1018
Arithmetic
Which of the following correctly describes the impact of 1991 reforms on agricultural exports?
A
Export promotion was encouraged through de-regulation.B
Export restrictions were imposed to ensure food security.C
Agricultural exports were completely banned.D
Only wheat and rice were allowed for export.Question 1019
Arithmetic
Which of the following are main subsystems of the Central Processing Unit (CPU)?
A
Arithmetic Unit, Memory Unit and Output UnitB
Control Unit, Arithmetic Unit and Logic UnitC
Arithmetic Unit, Graphics Unit and Control BusD
Logic Unit, Input Unit and Storage UnitQuestion 1020
Arithmetic
Which law is most frequently applied when calculating the electric field, particularly when high symmetry is present?
A
Faraday's LawB
Coulomb's lawC
Gauss's LawD
Lenz's LawQuestion 1021
Arithmetic
Which of the following refers to the newer and younger deposits of the floodplains in the Northern Plains of India, which are renewed almost every year and are therefore very fertile?
A
TeraiB
BhangarC
KankarD
KhadarQuestion 1022
Arithmetic
Which of the following athletes set a new record in triple jump with a 15.66 m leap at the 2021 Khelo India Youth Games in May 2021?
A
Qadir KhanB
Animesh KujurC
Tushar ChaudharyD
Sheikh ZeeshanQuestion 1023
Arithmetic
Which of the following groups is provided support under the One-Stop Centre (OSC) scheme?
A
Only women from a specific caste or religionB
Only women working in government officesC
Only married women in urban areasD
All women and girls below 18 years of age affected by violenceQuestion 1024
Arithmetic
Exercise Desert Hunt 2021, an integrated tri-service special forces exercise was conducted by the Indian Air Force at which of the following stations?
A
Airforce station at JodhpurB
Airforce station at Gandhi NagarC
Airforce station at PrayagrajD
Airforce station at AgraQuestion 1025
Arithmetic
Who was awarded the Major Dhyan Chand Khel Ratna Award in 2021 for his leadership in Indian hockey?
A
Rupinder Pal SinghB
PR SreejeshC
Manpreet SinghD
Harmanpreet Singh