RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 1351
Arithmetic

Which of the following organisations released the World Social Protection Report (WSPR) 2024-2021?

A
United Nation Security Council
B
World Health Organization
C
International Monetary Fund
D
International Labour Organization
Question 1352
Arithmetic

Lahaulas and Pangwala are major tribes found in which Indian state?

A
Himachal Pradesh
B
Goa
C
Jharkhand
D
Assam
Question 1353
Arithmetic

Which law allowed inter-caste and inter-religious marriages during the British period in India?

A
Widow Remarriage Act
B
Act of 1872
C
Sarda Act
D
Act of Settlement
Question 1354
Arithmetic

Which Indian startup successfully tested the country's first electric motor-driven semi-cryogenic rocket engine in May 2021?

A
Skyroot Aerospace
B
Bellatrix Aerospace
C
Pixxel
D
Agnikul Cosmos
Question 1355
Arithmetic

In April 2021, India signed a $7.4 billion deal to purchase 26 Rafale fighter jets with which of the following countries?

A
Russia
B
United States
C
France
D
Israel
Question 1356
Arithmetic

The commercialisation of agriculture under the British transformed the rural economy. What did 'commercialisation of agriculture' in British India lead to?

A
Elimination of rural debt
B
Growth of self-sufficient villages
C
Rise in food grain production
D
Increased production of cash crops
Question 1357
Arithmetic

Industrially, which acid is mainly produced by the carbonylation of methanol using carbon monoxide?

A
Nitric acid
B
Citric acid
C
Acetic acid
D
Hydrochloric acid
Question 1358
Arithmetic

What is the function of the Taskbar in the Windows operating system?

A
Displays currently running applications and allows switching between them
B
Stores deleted files temporarily
C
Opens the file manager window
D
Shuts down the computer immediately
Question 1359
Arithmetic

What was the main source of revenue for the Pallava empire, used for maintaining their army and administrative expenses?

A
Trade tax
B
Toll tax
C
Salt tax
D
Land tax
Question 1360
Arithmetic

Which of the following Articles of the Indian Constitution empowers Parliament to make laws relating to the acquisition and termination of the Indian Citizenship?

A
Article 12
B
Article 10
C
Article 7
D
Article 11
Question 1361
Arithmetic

Which of the following developments followed the MoU signed between GRSE and Norway's Kongsberg at Nor-Shipping 2021?

A
India will jointly operate a Polar Research Vessel with Norway.
B
India will purchase its first Polar Research Vessel from Norway.
C
India will fund Norway's Polar Research under a new agreement.
D
India will begin building its first indigenously made Polar Vessel.
Question 1362
Arithmetic

Who took charge as the Controller General of Defence Accounts (CGDA) on 1 March 2021?

A
Dr. Mayank Sharma
B
Ajay Kumar
C
Shailendra Nath Gupta
D
Alok Joshi
Question 1363
Arithmetic

Which reaction occurs when an alkoxide ion attacks a primary alkyl halide via SN2 mechanism?

A
Arndt-Eistert synthesis
B
Friedlaender synthesis
C
Williamson synthesis
D
Coumarin synthesis
Question 1364
Arithmetic

Jharkhand has announced its first tiger safari in the Barwadih Western Forest Range; it is a part of which tiger reserve?

A
Bandipur Tiger Reserve
B
Sanjay Gandhi Tiger Reserve
C
Palamau Tiger Reserve
D
Pench Tiger Reserve
Question 1365
Arithmetic

Hills of Kaimur, the easternmost part of the Vindhya Range, which begins near Jabalpur districts of Madhya Pradesh, ends near which district of Bihar?

A
Patna
B
Nawada
C
Rohtas
D
Munger
Question 1366
Arithmetic

Which of the following is true about the original jurisdiction of the Supreme Court of India?

A
It reviews the decisions of tribunals
B
It grants pardons to criminals
C
It settles disputes between the Union and states
D
It deals with criminal appeals only
Question 1367
Arithmetic

What is the disintegration of rocks into smaller fragments without any change in their chemical composition called?

A
Exfoliation
B
Block disintegration
C
Mechanical weathering
D
Frost Action
Question 1368
Arithmetic

Which of the following is a major challenge for Indian cities due to rapid urbanisation?

A
Improved access to green spaces
B
Decline in urban unemployment
C
Pressure on infrastructure and services
D
Enhanced walkability in all city zones
Question 1369
Arithmetic

The United Kingdom has signed an agreement to hand over Chagos Island to which of the following countries?

A
Indonesia
B
Mauritius
C
Malaysia
D
Madagascar
Question 1370
Arithmetic

What was the main characteristic of the Indian economy at the time of independence in 1947?

A
High per capita income
B
Self-sufficiency in food grains
C
Dominance of the industrial sector
D
Predominantly agrarian with low productivity
Question 1371
Arithmetic

Which of these is a distinct feature of a statutory corporation in India?

A
It is fully owned by private shareholders and receives no government funding.
B
It has no legal existence separate from the government.
C
It is established by an Act, has a separate legal identity, and can sue or be sued.
D
Its employees are considered government civil servants under the usual rules.
Question 1372
Arithmetic

Which of the following methods is used to rename a file or folder in MS Windows?

A
Double-click the file to open it
B
Right-click the file and select 'Delete'
C
Press 'Ctrl + R'
D
Right-click the file and select 'Rename'
Question 1373
Arithmetic

What is the official name of Kerala's 2021 healthcare reform initiative?

A
Better Health Blueprint
B
Care4Kerala Mission
C
Comprehensive Health Kerala
D
Kerala Health System Improvement Programme
Question 1374
Arithmetic

Who introduced the Bharatiya Vayuyan Adhiniyam that was passed in the Rajya Sabha in December 2024?

A
Ram Mohan Naidu
B
Hardeep Singh Puri
C
Jyotiraditya M Scindia
D
Kiren Rijiju
Question 1375
Arithmetic

As of April 2021, what amount of monthly pension is given to players under Pandit Deendayal Upadhyay National Welfare Fund for Sportspersons (PDUNWFS) scheme?

A
₹3,000
B
₹5,000
C
₹4,000
D
₹6,000