RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 501
Arithmetic

How can you access menus in the menu bar in Windows?

A
Press Ctrl + M to open the menu.
B
Right-click on the title bar to open the menu bar.
C
Press Alt and the letter underlined in the menu title to access a menu.
D
Press F5 to open the menu bar.
Question 502
Arithmetic

Which Indian institute introduced two new BTech programs in Computational Engineering and Mechanics and Instrumentation and Biomedical Engineering, starting from the academic year 2021-26?

A
Indian Institute of Technology Kharagpur
B
Indian Institute of Technology Bombay
C
Indian Institute of Technology Kanpur
D
Indian Institute of Technology Madras
Question 503
Arithmetic

When was the National Rural Health Mission (NRHM) launched by the Government of India?

A
26 January 2006
B
12 April 2004
C
12 April 2005
D
8 March 2004
Question 504
Arithmetic

The Dutch East India Company established its first factory in India in ________.

A
Calicut
B
Goa
C
Petapuli
D
Pondicherry
Question 505
Arithmetic

Why is an alloy considered a mixture even though it cannot be separated by physical methods?

A
It is formed only by non-metals.
B
It shows the properties of its constituents and can have variable composition.
C
It contains only one type of element in vapor form.
D
Alloys are always magnetic because they contain metals with a fixed composition.
Question 506
Arithmetic

In 2021, who became the youngest Indian to summit Mt. Everest and to complete the Seven Summits challenge?

A
Arjun Vajpai 
B
Malavath Purna
C
Krushnaa Patil
D
Vishwanath Padakanti
Question 507
Arithmetic

Which of the following projects is designed to provide irrigation to Rajasthan's desert areas?

A
Indira Gandhi Canal
B
Hirakud Project
C
Chambal Project
D
Kosi Project
Question 508
Arithmetic

In most software applications, what does Ctrl + S do if pressed multiple times?

A
Updates the saved file without creating a new one
B
Reverts the document
C
Saves a new copy each time
D
Deletes the previous version
Question 509
Arithmetic

Which department, headed by Dabir-i-Khas, handled royal correspondence and official communication during the Delhi Sultanate?

A
Diwan-i-Riyasat
B
Diwan-i-Arz
C
Diwan-i-Insha
D
Barid-i-Mumalik
Question 510
Arithmetic

In which Indian city was the First International Research Conference on Pension (IRCP) inaugurated in April 2021?

A
New Delhi
B
Mumbai
C
Uttar Pradesh
D
Kerala
Question 511
Arithmetic

The western cyclonic disturbances that enter the Indian subcontinent from the west and the northwest during the winter months originate from which of the following regions?

A
Mediterranean Sea
B
Black Sea
C
Baltic Sea
D
North Atlantic Ocean
Question 512
Arithmetic

Which eminent violinist from Karnataka was awarded the Padma Vibhushan in 2021 for his outstanding contributions to Indian classical music?

A
Anant Nag
B
Lakshminarayana Subramaniam
C
Gangubai Hangal
D
Ricky Kej
Question 513
Arithmetic

Who took charge as the Vice Chief of the Air Staff of the Indian Air Force on 2 May 2021?

A
Air Marshal Anil Chopra
B
Air Marshal Rakesh Kumar Singh Bhadauria
C
Air Marshal SP Dharkar
D
Air Marshal Narmdeshwar Tiwari
Question 514
Arithmetic

In 1995, physicists Eric Cornell and Carl Wieman created the first Bose-Einstein condensate (BEC) using which isotope?

A
Caesium-133
B
Thorium-232
C
Rubidium-87
D
Sodium-23
Question 515
Arithmetic

Which Article of the Constitution states, 'no person shall be deprived of his property save by authority of law'?

A
Article 111
B
Article 2
C
Article 300A
D
Article 368
Question 516
Arithmetic

As per the first Panchayat Advancement Index (PAI) report released in April 2021, which two states are leading with the highest number of "front runner" panchayats?

A
Chhattisgarh and Uttar Pradesh
B
Assam and West Bengal
C
Gujarat and Telangana
D
Meghalaya and Nagaland
Question 517
Arithmetic

What is the name of the medical instrument used to listen to internal body sounds, especially from the heart and lungs?

A
Barometer
B
Endoscope
C
Stethoscope
D
Colonoscope
Question 518
Arithmetic

In 2021, which region in India witnessed Kuki groups demanding the maintenance of buffer zones to manage ethnic tensions?

A
Nagaland
B
Assam
C
Mizoram
D
Manipur
Question 519
Arithmetic

On 23 April 2021, the Indian Government announced the suspension of which treaty/agreement with Pakistan citing national security concerns?

A
Indus Waters Treaty
B
Tashkent Declaration
C
Simla Agreement
D
Non-Nuclear Aggression Agreement
Question 520
Arithmetic

In which of the following cities was the Army Commanders Conference held in April 2021?

A
New Delhi
B
Jodhpur
C
Pune
D
Chandigarh
Question 521
Arithmetic

What key emotion did the Extremists aim to arouse in people against British colonial rule?

A
Fear
B
Sympathy
C
Loyalty
D
Indignation
Question 522
Arithmetic

India has been a World Trade Organization (WTO) member since ________.

A
2005
B
2000
C
1995
D
1990
Question 523
Arithmetic

What is the primary reason for overexploitation of groundwater in Punjab and Haryana?

A
Excessive use of water for domestic consumption
B
Cultivation of water-intensive crops like paddy
C
Government restrictions on surface water use
D
Presence of sandy soils with poor water retention
Question 524
Arithmetic

The Vardhan dynasty, was also known by which of the following names?

A
Gupta dynasty
B
Pushyabhuti dynasty
C
Nanda dynasty
D
Maurya dynasty
Question 525
Arithmetic

Which of the following states introduced India's first AI Powered Real Time Forest alert system in May 2021?

A
Jharkhand
B
Tamil Nadu
C
Karnataka
D
Madhya Pradesh