RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 251
Arithmetic

Which Article of the Indian Constitution directs the State to promote the welfare of the people?

A
Article 43
B
Article 47
C
Article 38
D
Article 42
Question 252
Arithmetic

What is the main function of RAM in a computer?

A
To provide temporary storage for running programs
B
To control the printer
C
To store permanent data
D
To process graphics
Question 253
Arithmetic

Which indigenously developed missile was successfully test fired by DRDO and Indian Navy on 26 March 2021?

A
Short-Range Sea-to-Surface (Coast) Missile
B
Advanced Short Range Air-to-Air Missile
C
Short-Range Anti-Tank Missile
D
Vertically Launched Short-Range Surface-to-Air Missile
Question 254
Arithmetic

In which chronic disease do the inner walls of the lungs' air sacs, called alveoli, become damaged, causing them to eventually burst?

A
Emphysema
B
Dyspepsia
C
Arrhythmias
D
Cystic fibrosis
Question 255
Arithmetic

Who is known as the 'Grand Old Man of India' and promoted Indian economic nationalism?

A
Dadabhai Naoroji
B
Lala Lajpat Rai
C
Gopal Krishna Gokhale
D
Surendranath Banerjee
Question 256
Arithmetic

Which range is known for its rich biodiversity and is a UNESCO World Heritage Site?

A
Satpura Range
B
Western Ghats
C
Eastern Ghats
D
Chotanagpur plateau
Question 257
Arithmetic

Which of the following organs represents the female reproductive part of a flower in angiosperms?

A
Petal
B
Androecium
C
Gynoecium
D
Stamen
Question 258
Arithmetic

__________ serves as the conventional base material for the art form known as Kalamkari.

A
Metal
B
Wood
C
Paper
D
Cloth
Question 259
Arithmetic

In which of the following years was the Bengal Sati Regulation enacted?

A
1837
B
1818
C
1829
D
1858
Question 260
Arithmetic

Which of the following correctly describes the Planning Commission of India?

A
A constitutional body established by an Article of the Constitution.
B
A statutory body created by an Act of Parliament in 1950.
C
A constitutional commission chaired by the Chief Justice of India.
D
An extra-constitutional advisory body created by a government resolution in 1950.
Question 261
Arithmetic

[October 2024] Mongla Port, recently seen in the news for strategic development and trade ties, is located in which country?

A
India
B
Bangladesh
C
Sri Lanka
D
Myanmar
Question 262
Arithmetic

Which Indian institution has developed an affordable device that is capable of rapidly separating plasma from blood and purifying water, priced at ₹1,000?

A
IIIT-Allahabad
B
IIT Kanpur
C
IIT Hyderabad
D
IISc Bangalore
Question 263
Arithmetic

In 2021, which of the following institutes developed the paper-based technology 'Freshness Keeper' to extend the freshness of cut flowers?

A
Indian Institute of Horticulture Research
B
IIT Madras
C
IIT Bombay
D
CSIR-Central Food Technological Research Institute
Question 264
Arithmetic

Which of the following rivers is associated with National Waterway 10 (NW-10)?

A
Brahmaputra river
B
Amba river
C
Chambal river
D
Yamuna river
Question 265
Arithmetic

A free trade arrangement of the SAARC countries, the South Asian Free Trade Area (SAFTA), came into force in which year?

A
2006
B
2018
C
2010
D
2000
Question 266
Arithmetic

The association of Devi Chaudhurani and Bhavani Pathak with the Fakir-Sanyasi Rebellion in India indicates which of the following?

A
These rebellions were purely religious in nature.
B
All religions and genders participated in this rebellion.
C
Only tribal groups led such resistances in Bengal.
D
The upper caste elite dominated this movement.
Question 267
Arithmetic

Announced in 2021, which decommissioned Indian Navy ship will be turned into an underwater museum?

A
INS Visakhapatnam
B
INS Guldar
C
INS Nilgiri
D
INS Kalvari
Question 268
Arithmetic

Ikea, which received the government approval for its ₹10,500 crore FDI proposal in 2013 to set up 10 stores with allied infrastructure over 10 years, is a _____

A
Chinese company
B
American company
C
Swedish company
D
German company
Question 269
Arithmetic

What is the minimum age required to contest elections to Panchayats as per Article 243F?

A
25 years
B
21 years
C
18 years
D
30 years
Question 270
Arithmetic

Which general molecular structure characterises the class of organic compounds known as diazonium compounds or diazonium salts?

A
$R-N_2^+ X^-$
B
$R-C\equiv N$
C
$R_2C=NR'$
D
$R-CO-NR'R''$
Question 271
Arithmetic

Which Act first allowed Indian members to discuss the budget in legislative councils?

A
Indian Councils Act, 1909
B
Government of India Act, 1858
C
Indian Councils Act, 1861
D
Indian Councils Act, 1892
Question 272
Arithmetic

Which of the following Amendments added the words 'Socialist' and 'Secular' to the Preamble?

A
24th
B
42nd
C
44th
D
39th
Question 273
Arithmetic

On 7 May 2021, India conducted nationwide civil defence mock drills in how many districts, to boost emergency preparedness?

A
200
B
290
C
150
D
244
Question 274
Arithmetic

[April 2021] New Caledonia, which was in headlines for protests over nickel mining and independence debates, is a territory of which country?

A
Australia
B
New Zealand
C
France
D
United Kingdom
Question 275
Arithmetic

Direct Tax reforms have been part of India's fiscal consolidation strategy. Which committee recommended the simplification of direct taxes in post-liberalisation India?

A
Tarapore Committee
B
Dutt Committee
C
Narasimham Committee
D
Kelkar Committee