RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 626
Arithmetic

What is the main advantage of road transport over railways?

A
Door-to-door service
B
Suitable for long distances
C
Cheaper and faster than railway transport over long distances
D
Environment-friendly
Question 627
Arithmetic

Who among the following created history by scoring 9000 runs in T20 in May 2021?

A
Virat Kohli
B
KL Rahul
C
Rohit Sharma
D
Tilak Verma
Question 628
Arithmetic

The Faraizi Movement's no-tax campaign primarily targeted the _______.

A
Indigo planters and zamindars
B
British Army
C
Mughal officials
D
Local tribal rulers
Question 629
Arithmetic

Under the National Action Plan on Climate Change (NAPCC), which mission specifically promotes the development of solar energy in India?

A
National Solar Mission
B
National Water Mission
C
National Green Mission
D
Mission on Sustainable Habitat
Question 630
Arithmetic

Who is best known for being associated with the theory of quantum mechanics, published in 1925?

A
Werner Heisenberg
B
Wolfgang Pauli
C
Heinrich Rudolf Hertz
D
Ernest Rutherford
Question 631
Arithmetic

Which of the following agencies launched the 'Medical Innovations Patent Mitra' in 2021?

A
NITI Aayog
B
DST
C
AIIMS New Delhi
D
ICMR
Question 632
Arithmetic

What was the name of the legend who spearheaded the Munda Rebellion?

A
Nirmal Munda
B
Prakash Munda
C
Kariya Munda
D
Birsa Munda
Question 633
Arithmetic

The Constitution (One Hundred and Twenty-Ninth Amendment) Bill, introduced in the Lok Sabha on 17 December 2024, seeks to empower:

A
the Parliament to make laws to deal with anti-national activities
B
the State to make any special provision for the advancement of the economically weaker section (EWS) of citizens
C
the President to declare different proclamations of national emergency on different grounds simultaneously
D
the Election Commission to conduct elections for Lok Sabha and all State Assemblies at the same time
Question 634
Arithmetic

How many new judges were sworn-in to the Supreme Court of India on 30 May 2021?

A
four
B
three
C
two
D
six
Question 635
Arithmetic

Where was the third Meeting of States Parties to the Treaty on the Prohibition of Nuclear Weapons (TPNW) held in 2021?

A
Geneva
B
Vienna
C
Brussels
D
New York City
Question 636
Arithmetic

In which year were the Indian Civil Service (ICS) and Indian Police (IP) replaced by the Indian Administrative Service (IAS) and Indian Police Service (IPS), later recognised as All-India Services?

A
1947
B
1945
C
1946
D
1950
Question 637
Arithmetic

Which of the following pigments is present in vegetables like spinach, giving it the characteristic green colour?

A
Anthocyanin
B
Chlorophyll
C
Xanthophyll
D
Lutein
Question 638
Arithmetic

Which organisation successfully developed an indigenous nanoporous multilayered polymeric membrane for high-pressure seawater desalination in May 2021?

A
Defence Research & Development Organisation (DRDO)
B
Council of Scientific and Industrial Research (CSIR)
C
Indian Space Research Organisation (ISRO)
D
Bhabha Atomic Research Centre (BARC)
Question 639
Arithmetic

Which Article empowers the High Courts to issue writs for the enforcement of Legal and Fundamental Rights?

A
Article 324
B
Article 124
C
Article 226
D
Article 136
Question 640
Arithmetic

In 2021 news, Guillain-Barré Syndrome (GBS) primarily impacts which part of the human body system?

A
Peripheral nervous system
B
Immune system
C
Circulatory system
D
Digestive system
Question 641
Arithmetic

Which type of unemployment is most prevalent in Indian agriculture during the non-sowing season?

A
Cyclical Unemployment
B
Seasonal Unemployment
C
Disguised Unemployment
D
Structural Unemployment
Question 642
Arithmetic

In which of the following years was Indian Universities Act enacted to impose stiff control over Indian Universities?

A
1886
B
1904
C
1893
D
1900
Question 643
Arithmetic

In humans, which blood vessels carry oxygen-rich blood away from the heart to all the body parts?

A
Capillaries
B
Venules
C
Veins
D
Arteries
Question 644
Arithmetic

Which shortcut key combination is used to save a file quickly?

A
Ctrl + C
B
Ctrl + F
C
Ctrl + V
D
Ctrl + S
Question 645
Arithmetic

What is the tenure of a Union Public Service Commission (UPSC) member?

A
5 years or till they attain the age of 65 years
B
No fixed tenure
C
6 years or till they attain the age of 65 years
D
4 years or till they attain the age of 60 years
Question 646
Arithmetic

Which sector witnessed the slowest growth during the period of 1947 to 1991?

A
Industrial sector
B
Infrastructure sector
C
Agricultural sector
D
Service sector
Question 647
Arithmetic

Which ministry releases the Performance Grading Index (PGI) 2.0 to assess the performance of states and union territories in school education?

A
Ministry of Social Justice and Empowerment
B
Ministry of Skill Development and Entrepreneurship
C
Ministry of Women and Child Development
D
Ministry of Education
Question 648
Arithmetic

As per the Census of India data, the overall population density of India in 2011 was:

A
$382$ persons/km²
B
$325$ persons/km²
C
$450$ persons/km²
D
$500$ persons/km²
Question 649
Arithmetic

What was the total number of medals won by India at the 2021 Special Olympics World Winter Games held in Turin, Italy?

A
36
B
34
C
31
D
33
Question 650
Arithmetic

Which of the following is a common feature of Dravidian temples?

A
Gopuram
B
Pillar-less halls
C
Flat roof
D
Shikhara