RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 1176
Arithmetic

Who has developed the technology enabling India to shoot down fixed-wing drones using a laser beam?

A
Armed Forces Tribunal, Delhi
B
Armed Forces Medical College (AFMC)
C
Aeronautical Development Agency
D
Defence Research Development Organisation
Question 1177
Arithmetic

Which of the following is the correct sequence to create a new file in WordPad on a Windows computer?

A
File → Open → New Document
B
File → New
C
Home → New File
D
Insert → New File
Question 1178
Arithmetic

The hot weather season in India is generally observed from:

A
October to November
B
March to May
C
December to February
D
June to September
Question 1179
Arithmetic

What is the relation between the speed of sound (v), its wavelength ($\lambda$) and time period (T)?

A
$v = \lambda \times T$
B
$v = \lambda/T$
C
$v = \lambda+T$
D
$v = T/\lambda$
Question 1180
Arithmetic

Which classical Sanskrit play was written by Kalidasa?

A
Mudrarakshasa
B
Svapnavasavadattam
C
Abhijnana-Shakuntalam
D
Mrichchhakatika
Question 1181
Arithmetic

Which city hosted the International Air Transport Association (IATA) Annual General Meeting and World Air Transport Summit in June 2021?

A
Hyderabad
B
Bengaluru
C
New Delhi
D
Mumbai
Question 1182
Arithmetic

Which organisation was established in 1817 to promote Western education among Indians?

A
Hindoo College
B
Aligarh Movement
C
Arya Samaj
D
Brahmo Samaj
Question 1183
Arithmetic

Tourism in India contributes to which type of economic activity?

A
Secondary
B
Tertiary
C
Quinary
D
Primary
Question 1184
Arithmetic

He was a militant nationalist who believed that the only way to India's freedom is through mass protests, especially by the youth. For this purpose, he began celebrating local festivals like Ganesh Chaturthi and Shivaji Jayanti on a grand scale, urging the youth to join in. He was also the editor of 'Kesari', a Marathi newspaper, which became one of the strongest critics of British rule. The leader in question is:

A
Bal Gangadhar Tilak
B
Bipin Chandra Pal
C
Lala Lajpat Rai
D
Gopal Krishna Gokhale
Question 1185
Arithmetic

Diabetes mellitus is caused by the inadequate secretion of which hormone?

A
Estrogen
B
Insulin
C
Adrenaline
D
Thyroxine
Question 1186
Arithmetic

The earliest documented evidence of puppetry in India is in which of the following languages?

A
Bengali
B
Sanskrit
C
Gujarati
D
Tamil
Question 1187
Arithmetic

The Right to Constitutional Remedies, allowing individuals to move the Supreme Court directly for the enforcement of rights, is given under:

A
Article 31
B
Article 32
C
Article 30
D
Article 33
Question 1188
Arithmetic

After his election as the first American pope, what papal name did Cardinal Robert Prevost choose?

A
Pope Leo XIV
B
Pope John XXIV
C
Pope Benedict XVII
D
Pope Francis II
Question 1189
Arithmetic

Which of the following is the correct terminology for the gap between two neurons where they communicate?

A
Node gap
B
Synaptic cleft
C
Dendritic cleft
D
Axonal gap
Question 1190
Arithmetic

Which farming type involves small landholdings, simple tools, and production mainly consumed by farmers and their families in India?

A
Plantation farming
B
Commercial farming
C
Commercial grain farming
D
Subsistence farming
Question 1191
Arithmetic

Which type of natural vegetation in India is known for forests with hardwood trees such as sal, teak, and bamboo?

A
Tropical deciduous forests
B
Thorn forests
C
Tropical evergreen forests
D
Montane forests
Question 1192
Arithmetic

Which memory is non-volatile, meaning it retains data even after the computer is turned off?

A
Virtual Memory
B
Cache Memory
C
ROM
D
RAM
Question 1193
Arithmetic

During which of the following seasons was the National Agricultural Insurance Scheme launched to protect the farmers against crop losses suffered on account of natural calamities such as droughts, floods, hailstorms, cyclones, pests and diseases?

A
Kharif 2001-2002 
B
Rabi 1999-2000
C
Rabi 2005-2006
D
Kharif 1998-1999
Question 1194
Arithmetic

The 'Keel Laying' ceremony of the first of the five Fleet Support Ships (FSS) for the Indian Navy was held at which place in November 2024?

A
Mazagon Dock Shipbuilders Ltd., Cochin
B
Hindustan Shipyard Ltd., Visakhapatnam
C
Goa Shipyard Limited
D
ABG Shipyard Ltd., Mumbai
Question 1195
Arithmetic

Who introduced the Permanent Settlement in British India?

A
Lord Dalhousie
B
Lord Wellesley
C
Thomas Munro
D
Lord Cornwallis
Question 1196
Arithmetic

____________ is a classical dance form characterised by elaborate facial makeup, colourful costumes, and themes from Hindu epics, mainly performed by male dancers.

A
Kathak
B
Kathakali
C
Bharatanatyam
D
Mohiniyattam
Question 1197
Arithmetic

Which company signed a ₹1,220 crore deal for Software Defined Radios with Defence Ministry in February 2021?

A
Bharat Electronics Limited
B
Reliance Naval Systems
C
Hindustan Shipyard
D
L&T
Question 1198
Arithmetic

Which archaeological site shows pit dwellings and evidence of domesticated dogs during the Neolithic period?

A
Chirand
B
Burzahom
C
Koldihwa
D
Hallur
Question 1199
Arithmetic

In January 2021, the Gujarat government declared the 'Inland Mangrove of Guneri', located in which district, as its first Biodiversity Heritage Site (BHS)?

A
Morbi
B
Kutch
C
Vadodara
D
Rajkot
Question 1200
Arithmetic

Infrastructure has been a key pillar for sustained growth. Which initiative was launched in 2020 to coordinate infrastructure projects in India?

A
Digital India
B
Make in India
C
PM Gati Shakti
D
Bharatmala Pariyojana