RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 276
Arithmetic
Which of the following was the military department during the reign of Alauddin Khilji?
A
Diwan-i-wizaratB
Diwan-i-arzC
Diwan-i-inshaD
Diwan-i-risalatQuestion 277
Arithmetic
Which Indian state topped the Fiscal Health Index 2021 released by NITI Aayog?
A
MaharashtraB
KarnatakaC
OdishaD
GujaratQuestion 278
Arithmetic
Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by _____
A
$\beta$-1,6-glycosidic bondsB
$\alpha$-1,2-glycosidic bondsC
$\beta$-1,4-glycosidic bondsD
$\alpha$-1,4-glycosidic bondsQuestion 279
Arithmetic
Which Indian organisation hosted the 19th India Digital Summit in January 2021, focusing on the digital ecosystem?
A
National Association of Software and Service Companies (NASSCOM)B
Telecom Regulatory Authority of India (TRAI)C
Confederation of Indian Industry (CII)D
Internet and Mobile Association of India (IAMAI)Question 280
Arithmetic
Which of the following is a tribal dance form of India?
A
GhusadiB
LavaniC
BhangraD
KathakQuestion 281
Arithmetic
What is the primary objective of India's 'Bharat 6G Vision' launched in March 2023?
A
To import 6G infrastructure from developed countriesB
To commercialise 6G services exclusively in urban areasC
To replace 5G technology by 2021D
To establish India as a global leader in 6G technology by 2030Question 282
Arithmetic
Which disease is caused by the accumulation of lipids in brain cells due to the deficiency or inactivation of lipid digesting enzymes?
A
Alzheimer's diseaseB
Huntington's diseaseC
Parkinson's diseaseD
Tay-Sachs diseaseQuestion 283
Arithmetic
Which international body did Cambodia petition to resolve its border dispute with Thailand in 2021?
A
International Court of JusticeB
ASEAN Regional ForumC
United Nations Security CouncilD
World Trade OrganizationQuestion 284
Arithmetic
Where is the Tata Aircraft Complex, inaugurated in October 2024 for manufacturing C-295 aircrafts, located?
A
PuneB
ChennaiC
HyderabadD
VadodaraQuestion 285
Arithmetic
Life expectancy in India rose from 58.6 years in 1990 to how many years in 2023 which is the highest recorded since the index began?
A
72 yearsB
75 yearsC
70 yearsD
65 yearsQuestion 286
Arithmetic
Who authored the book 'AI on Trial' that was released in April 2021?
A
Sujeet Kumar and Tauseef AlamB
Himanshu RoyC
Bandaru DattatreyaD
Manohar Lal Khattar and Himanshu DhuliyaQuestion 287
Arithmetic
The naval vessel 'Tavasya' launched in 2021 is classified as a:
A
Ballistic SubmarineB
Stealth FrigateC
CorvetteD
Surveillance ShipQuestion 288
Arithmetic
Which three international organisations jointly organised a Trilateral Cooperation briefing on 26 February 2021 for health, trade and intellectual property (IP) diplomats based in Geneva?
A
WHO, WIPO and UNICEFB
WHO, UNESCO and WTOC
WHO, IMF and UNDPD
WHO, WIPO and WTOQuestion 289
Arithmetic
Which of the following correctly pairs the abbreviation with its full form and primary function?
A
CD - Central Disc - Stores operating system permanentlyB
LAN – Local Area Network - Connects computers within a limited areaC
ASCII - American Standard Communication for Input and Interface - Used for graphic designD
ASCII – Advanced System for Communication Interface - Used in LAN setupQuestion 290
Arithmetic
What does UDAY stand for in the context of power distribution companies?
A
Urban Distribution Action YojanaB
Uninterrupted Domestic Assurance YojanaC
Utility Development and Assistance YojanaD
Ujwal DISCOM Assurance YojanaQuestion 291
Arithmetic
Which of the following best explains why the Lakshadweep Islands have low biodiversity compared to the Andaman and Nicobar Islands?
A
Smaller land area and absence of forestsB
Volcanic origin and infertile soilC
Higher human population densityD
Higher altitude and colder temperaturesQuestion 292
Arithmetic
Which of the following terms is used to refer to the designated female devotees who enact the Lai Haraoba dance in Manipur, India?
A
MaibisB
JoginsC
MaibasD
PujarinQuestion 293
Arithmetic
Which natural feature in the northwest India marks the beginning of the low-pressure trough during the summer months?
A
Ganga BasinB
Satpura RangeC
Thar DesertD
Aravalli HillsQuestion 294
Arithmetic
When was the Bank of Madras established as the third Presidency Bank in India?
A
1840B
1843C
1863D
1857Question 295
Arithmetic
Which of the following states shares its border with Nepal?
A
BiharB
Himachal PradeshC
MeghalayaD
OdishaQuestion 296
Arithmetic
The Revolt of 1857 created which of the following negative consequences in Indian society?
A
Decline of Indian languages and cultureB
Decline of Indian handicrafts industriesC
Distrust between Hindu and Muslim communitiesD
Weakening of tribal and peasants' movementsQuestion 297
Arithmetic
Who addressed the opening session of the 24th edition of the World Sustainable Development Summit in New Delhi in March 2021?
A
Pralhad JoshiB
Bhupender YadavC
Piyush GoyalD
Amit ShahQuestion 298
Arithmetic
Which of the following rivers is a peninsular river and flows eastward?
A
SabarmatiB
NarmadaC
TaptiD
MahanadiQuestion 299
Arithmetic
Which of the following US biotech companies opened a $200 million tech and innovation hub in 2021?
A
GenentechB
BiogenC
NovavaxD
AmgenQuestion 300
Arithmetic
Which of the following conducted India's inaugural Agentic AI Hackathon in 2021?
A
AI Nexus FoundationB
Techvantage.aiC
DigitalNext AID
Bharat Innovation Lab