RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 401
Arithmetic

Which of the following natural regions is known for evergreen dense forests and high biodiversity?

A
Equatorial region
B
Tundra region
C
Steppe region
D
Mediterranean region
Question 402
Arithmetic

A mixed economy involves both private and public ownership. What was a distinctive feature of India's mixed economy model?

A
Public sector dominance in core industries
B
Absence of licensing
C
Full privatisation
D
Focus on consumerism
Question 403
Arithmetic

What is the significance of DRDO's successful test of the Long-Range Anti-Ship Missile (LRASHM) in 2021?

A
It replaced the need for aircraft carriers
B
It enhances India's strategic deterrence capabilities
C
It was the first missile to use solar propulsion
D
It marked India's first hypersonic missile test
Question 404
Arithmetic

What is baking soda chemically known as?

A
Sodium carbonate
B
Sodium bicarbonate
C
Calcium carbonate
D
Magnesium hydroxide
Question 405
Arithmetic

The vast network of railways that helped people meet their family and relatives was pioneered during the latter half of which of the following centuries in India?

A
19th
B
17th
C
20th
D
18th
Question 406
Arithmetic

The Harappans were first in Eurasia to grow ____.

A
Indigo
B
Mustard Seeds
C
Potato
D
Cotton
Question 407
Arithmetic

Which of the following options best describes the state of Indian industries under British rule?

A
Promotion of indigenous entrepreneurship
B
Rapid growth of modern manufacturing
C
Widespread industrialisation across rural India
D
Systematic decline of traditional industries
Question 408
Arithmetic

In the 2024 Global Innovation Index, which country was ranked as the most innovative?

A
United States
B
Switzerland
C
Singapore
D
Sweden
Question 409
Arithmetic

As per the 'India State of Forest Report 2023 (ISFR 2023), which Indian state has the largest forest cover (area-wise) in the country?

A
Arunachal Pradesh
B
Madhya Pradesh
C
Chhattisgarh
D
Uttar Pradesh
Question 410
Arithmetic

Which of the following types of cases is NOT generally taken up by Lok Adalats in India?

A
Murder trials
B
Motor accident claims
C
Divorce settlements
D
Utility bill disputes
Question 411
Arithmetic

According to a Times of India report from April 2021, there have been plans to locally manufacture which tetravalent dengue vaccine under the 'Make-in-India' initiative?

A
CYD-TDCV
B
Dengvaxia
C
QDENGA (TAK-003)
D
TV003 / TV005 
Question 412
Arithmetic

On 15 May 2021, the Supreme Court of India issued an immediate direction to the Centre to set up dedicated courts to deal with which cases?

A
Serious offenses like murder
B
Constitutional interpretations
C
Dowry harassment
D
Child sexual abuse
Question 413
Arithmetic

What happens when you create a folder with the same name in the same location?

A
It gives an error.
B
It replaces the old folder.
C
It opens the original folder.
D
The system automatically renames it.
Question 414
Arithmetic

As of July 2021, how many Indian States have a bicameral legislature (i.e. both, a Legislative Assembly and a Legislative Council)?

A
Eight
B
Six
C
Seven
D
Five
Question 415
Arithmetic

In Indian State governments, to whom is the State Council of Ministers collectively responsible?

A
The Governor of the State
B
Council of States
C
State Legislative Assembly
D
Chief Justice of the concerned State
Question 416
Arithmetic

Which initiative is intended to encourage domestic manufacturing and attract foreign investment?

A
Digital India
B
Make in India
C
Startup India
D
Skill India
Question 417
Arithmetic

The Red Fort in Delhi was constructed during the reign of which of the following Mughal emperors?

A
Babur
B
Shah Jahan
C
Aurangzeb
D
Akbar
Question 418
Arithmetic

Which revolutionary along with Batukeshwar Dutt threw bombs in the Central Assembly in 1929?

A
Bhagat Singh
B
Chandrashekhar Azad
C
Ashfaqulla Khan
D
Rajguru
Question 419
Arithmetic

Who made history as the first woman, the youngest person, and the first African to be elected President of the International Olympic Committee (IOC) in 2021?

A
Nawal El Moutawakel
B
Tegla Loroupe
C
Fatma Samoura
D
Kirsty Coventry
Question 420
Arithmetic

Which Gupta emperor was known as the 'Napoleon of India' due to his military conquests and strategic warfare?

A
Chandragupta I
B
Samudragupta
C
Kumaragupta
D
Skandagupta
Question 421
Arithmetic

Which country led the 2024 Global Gender Gap Report by closing over 90% of its gender gap?

A
Finland
B
Norway
C
Iceland
D
Sweden
Question 422
Arithmetic

Although a colloid appears homogeneous, it is actually a __________.

A
suspension
B
true solution
C
homogeneous mixture
D
heterogeneous mixture
Question 423
Arithmetic

What happens when you delete a file or folder using the Delete key?

A
The file is copied to another folder.
B
The file is renamed automatically.
C
The file is sent to the Recycle Bin.
D
The file is permanently deleted without warning.
Question 424
Arithmetic

Which of the following pairs of neighbouring countries are landlocked and share only land borders with India?

A
Bangladesh and Myanmar
B
Nepal and Bhutan
C
Pakistan and China
D
Sri Lanka and Maldives
Question 425
Arithmetic

Which of the following represents the longitudinal extent of India?

A
$68^\circ7'E$ and $97^\circ25'E$
B
$56^\circ7'E$ and $87^\circ25'E$
C
$58^\circ7'E$ and $94^\circ25'E$
D
$54^\circ7'E$ and $77^\circ25'E$