RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 451
Arithmetic
Which of the following Vedic words literally means search for cows and also refers to battle?
A
DuhitriB
GaveshanaC
GopalaD
GomatQuestion 452
Arithmetic
Which Article of the Constitution deals with the reservation of seats for Scheduled Castes and Scheduled Tribes in the Lok Sabha?
A
Article 332B
Article 331C
Article 334D
Article 330Question 453
Arithmetic
Which of the following is the primary objective of the Shyama Prasad Mukherji Rurban Mission (SPMRM)?
A
Electrification of rural householdsB
Development of rural clusters with urban-like facilitiesC
Skill development for rural youthD
Ensuring 100 days of wage employment in rural areasQuestion 454
Arithmetic
What does the keyboard shortcut Ctrl + R do in web browsers?
A
Renames a file or folderB
Runs a programC
Refreshes the active windowD
Restores deleted filesQuestion 455
Arithmetic
Which of the following is an example of structural unemployment?
A
A worker choosing not to work due to a lack of job opportunitiesB
A worker being unable to find a job due to discriminationC
A worker losing their job due to a recessionD
A worker being unable to find a job due to a lack of skills in a new and expanding industryQuestion 456
Arithmetic
What is the term period of the Comptroller and Auditor General (CAG) of India?
A
5 years or 62 yearsB
6 years or 60 yearsC
6 years or 65 yearsD
4 years or 60 yearsQuestion 457
Arithmetic
The northern part of the plains along the Bay of Bengal is referred to as the Northern Circar, while the southern part is known as the ________.
A
Southern CircarB
Utkal PlainsC
Coromandel CoastD
Andhra PlainsQuestion 458
Arithmetic
Who was honoured with the Luminous Lummer Dai Literary Award in 2021 for their contributions to Assamese literature?
A
Nirupama BorgohainB
Ramchandra ChutiaC
Indira GoswamiD
Homen BorgohainQuestion 459
Arithmetic
Which of the following is a correct representation of a compound formed by ionic bonding?
A
$H_2O$B
$CO_2$C
$NaCl$D
$NH_3$Question 460
Arithmetic
Which of the following countries does Amelia Kerr, the ICC Women's T20I Cricketer of the Year 2024, represent?
A
New ZealandB
AustraliaC
South AfricaD
EnglandQuestion 461
Arithmetic
In May 2021, Prime Minister Narendra Modi dedicated 103 redeveloped railway stations under which of the following schemes?
A
Smart Rail MissionB
Udan SchemeC
Amrit Bharat Station SchemeD
Bharat Mala SchemeQuestion 462
Arithmetic
In which of the following geographical areas of India is Kumaoni spoken by a significant portion of the population?
A
Himachal PradeshB
West BengalC
UttarakhandD
Jammu and KashmirQuestion 463
Arithmetic
Who is credited with the discovery of the nucleus through the gold foil experiment?
A
BohrB
Ernest RutherfordC
John DaltonD
LavoisierQuestion 464
Arithmetic
Which of the following chemical reactions does NOT represent a balanced equation?
A
$3Fe + 4H_2O \rightarrow Fe_3O_4 + 4H_2$B
$4Fe + 3H_2O \rightarrow Fe_3O_4 + 2H_2$C
$Fe + H_2O \rightarrow FeO + H_2$D
$2Fe + 3H_2O \rightarrow Fe_2O_3 + 3H_2$Question 465
Arithmetic
Which exercise in 2021 involved India and the United States focusing on amphibious warfare and HADR?
A
Exercise Vajra PraharB
Exercise MalabarC
Exercise Tiger TriumphD
Exercise Yudh AbhyasQuestion 466
Arithmetic
Which of the following minerals is known as 'Brown Gold' in India?
A
MicaB
CopperC
BauxiteD
LigniteQuestion 467
Arithmetic
According to the IMF's World Economic Outlook released in April 2021, what is India's projected economic growth rate for the year 2021?
A
6.2%B
5.6%C
6.5%D
4.8%Question 468
Arithmetic
Which of the following central services holds the highest prestige, pay and emoluments among its peers?
A
Indian Audit and Accounts ServiceB
Indian Defence Accounts ServiceC
Indian Postal ServiceD
Indian Foreign Service Question 469
Arithmetic
According to Article 79 of the Indian Constitution, the Parliament of India consists of:
A
only Lok Sabha and Rajya SabhaB
Prime Minister, Lok Sabha, and Rajya SabhaC
President, Lok Sabha, and Rajya SabhaD
President, Vice President, and Prime MinisterQuestion 470
Arithmetic
During the Mughal period, the Ain-i-Dahsala system was introduced by ________.
A
BaburB
Shah JahanC
AkbarD
AurangzebQuestion 471
Arithmetic
The Tehri Dam, which serves multiple purposes including power generation, is built on which river?
A
YamunaB
GangaC
SutlejD
BhagirathiQuestion 472
Arithmetic
Which of the following is an impact of river meandering in plains?
A
Formation of waterfallsB
Formation of oxbow lakesC
Formation of rift valleysD
Formation of rapidsQuestion 473
Arithmetic
When was the Rural Landless Employment Guarantee Programme (RLEGP) launched?
A
2 October 1985B
15 August 1983C
1 April 1980D
26 January 1982Question 474
Arithmetic
Which of the following is NOT an instrument of parliamentary control over the executive in India?
A
Judicial review of executive actionsB
Question Hour in the Lok SabhaC
Approval of government bills (laws) by the ParliamentD
No-confidence motion against the Council of MinistersQuestion 475
Arithmetic
The concept of 'watershed' is primarily associated with:
A
Mountain formationB
Climate zonesC
River catchment areaD
Rainfall distribution