RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 826
Arithmetic
Which group of Indian islands lies in the Arabian Sea near the Malabar Coast and consists of coral islands?
A
Andaman IslandsB
Nicobar IslandsC
SundarbansD
Lakshadweep IslandsQuestion 827
Arithmetic
Which of the following sectors includes banking, communication and transport?
A
QuaternaryB
SecondaryC
PrimaryD
TertiaryQuestion 828
Arithmetic
Who was the founder of the Mauryan Empire and established a centralised administrative system?
A
AshokaB
BindusaraC
Chandragupta MauryaD
BrihadrathaQuestion 829
Arithmetic
DBW 371 (Karan Vrinda), DBW 303 (Karan Vaishnavi) and DBW 187 (Karan Vandana) are varieties of which crop in India?
A
RiceB
WheatC
TeaD
MaizeQuestion 830
Arithmetic
Who among the following bagged India's first gold medal at International Shooting Sport Federation (ISSF) Junior World Cup, Germany in May 2021?
A
DivanshiB
Parisha GuptaC
KanakD
Sainyam Question 831
Arithmetic
In Brahmadeya villages under the Pallavas, which caste predominantly managed the local Sabha assemblies?
A
VaishyasB
ShudrasC
BrahmanasD
KshatriyasQuestion 832
Arithmetic
Who acts as the real executive head in a state?
A
GovernorB
Chief MinisterC
SpeakerD
Advocate GeneralQuestion 833
Arithmetic
The Central Government approved the allocation of additional how many million tonnes of rice from the Food Corporation of India (FCI) for ethanol production in May 2021?
A
2.1 million tonnesB
2.8 million tonnesC
3.2 million tonnesD
2.4 million tonnesQuestion 834
Arithmetic
What instrument is used to measure lung volumes during breathing?
A
RespirometerB
SphygmomanometerC
SpirometerD
BarometerQuestion 835
Arithmetic
The Rajya Sabha seat distribution among states is found in which Schedule of the Indian Constitution?
A
Fourth ScheduleB
Tenth ScheduleC
Second ScheduleD
First ScheduleQuestion 836
Arithmetic
What happens when user right-clicks on an empty area of the MS Windows desktop?
A
A context menu with view and display settings is opened.B
The File Explorer is launched.C
The Task Manager opens.D
The Start Menu is displayed.Question 837
Arithmetic
Who became the first Indian driver to win a Formula 2 race in May 2021?
A
Arjun MainiB
Narain KarthikeyanC
Kush MainiD
Jehan DaruvalaQuestion 838
Arithmetic
Which organisation introduced new guidelines in 2021 to regulate the sale of radio equipment, including walkie-talkies, on e-commerce platforms?
A
Department of Telecommunications (DoT)B
Central Consumer Protection Authority (CCPA)C
Telecom Regulatory Authority of India (TRAI)D
Ministry of Electronics and Information Technology (MeitY)Question 839
Arithmetic
What is the codename of the Low-Level Transportable Radar (LLTR) to be procured by the Ministry of Defence (MoD) with Bharat Electronics Limited (BEL) at a cost of ₹2,906 crore in March 2021?
A
AshwiniB
VayuC
SuryaD
IndraQuestion 840
Arithmetic
In Lassaigne's test, which element is revealed by the formation of a precipitate of Prussian blue on heating part of the solution with iron (II) sulphate solution?
A
CarbonB
OxygenC
HydrogenD
NitrogenQuestion 841
Arithmetic
Which summit held in Kochi in February 2021 aimed to attract investments across various sectors in Kerala?
A
Kochi Investment SummitB
Kerala Economic ForumC
Invest Kerala Global SummitD
Kerala Development ConclaveQuestion 842
Arithmetic
Which convention, ratified in 1998, attempts to safeguard the environment and human health by encouraging shared accountability and collaboration in the global trade of pesticides and hazardous chemicals?
A
Basel ConventionB
Paris AgreementC
Stockholm ConventionD
Rotterdam ConventionQuestion 843
Arithmetic
The 'Connect India 2021' event organised by an Indian association in the USA called IAM, aimed to bring together partner organisations from which region?
A
TexasB
New YorkC
MinnesotaD
CaliforniaQuestion 844
Arithmetic
What is a distinctive feature of Warli paintings?
A
Use of gold leafB
Depiction of royal courtsC
Use of bright coloursD
Geometric patterns and white pigmentQuestion 845
Arithmetic
In news in 2021, which state announced plans to create India's first Quantum Computing Village?
A
Himachal PradeshB
PunjabC
KarnatakaD
Andhra PradeshQuestion 846
Arithmetic
Which of the following is an example of a synthetic polymer used in industry?
A
StarchB
Nylon-6,6C
CelluloseD
RubberQuestion 847
Arithmetic
Which river valley project was developed with assistance from 'Tennessee Valley Authority (TVA)'?
A
Tehri ProjectB
Bhakra Nangal ProjectC
Nagarjuna Sagar ProjectD
Damodar Valley ProjectQuestion 848
Arithmetic
Andaman and Nicobar Islands are separated by the ______.
A
12° N parallelB
16° N parallelC
14° N parallelD
10° N parallelQuestion 849
Arithmetic
Which of the following digital initiatives aims to make the legislative proceedings of State and Union Territory Legislatures in India completely paperless?
A
e-SansadB
e-Governance for Legislators (eGL)C
Digital India MissionD
National e-Vidhan Application (NeVA)Question 850
Arithmetic
The Partition of Bengal (1905) was justified by the British on the grounds of ____.
A
economic prosperityB
administrative convenienceC
religious harmonyD
spread of education