RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 576
Arithmetic
As per the 2021 Human Development Index (HDI) report, what is India's HDI value for 2023 that places it in the medium human development category?
A
0.496B
0.721C
0.685D
0.81Question 577
Arithmetic
Why is infrastructure referred to as a 'universal intermediate'?
A
It is the most profitable sector.B
It is universally available in every country.C
It is used in the production of nearly all goods and services.D
It connects urban and rural areas.Question 578
Arithmetic
In the April 2021 International Shooting Sport Federation World Cup, in which shooting event did Saurabh Chaudhary win a bronze medal?
A
50 m Rifle 3 PositionsB
25 m Rapid Fire PistolC
Skeet ShootingD
10 m Air PistolQuestion 579
Arithmetic
The reservation of seats in Panchayats for SCs/STs and women comes under which Article?
A
Article 243EB
Article 243AC
Article 243DD
Article 243BQuestion 580
Arithmetic
On 1 May 2021, the Election Commission of India has launched how many major initiatives to improve the accuracy of voter list and ease the voting process?
A
6B
3C
2D
4Question 581
Arithmetic
What does the 'Ctrl + V' shortcut key do?
A
It pastes the copied text or files.B
It copies the selected text or files.C
It cuts the selected text or files.D
It saves the current document.Question 582
Arithmetic
Who is considered unemployed under the Usual Status (US) measure?
A
Someone working only one day a weekB
Someone retired from workC
Someone not working but seeking work over a long periodD
Someone working part-timeQuestion 583
Arithmetic
The Mahila Kisan Sashaktikaran Pariyojana (MKSP), is a key sub-scheme under_______.
A
Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA)B
Deen Dayal Antyodaya Yojana - National Rural Livelihoods Mission (DAY-NRLM)C
National Social Assistance Programme (NSAP)D
Deen Dayal Upadhyaya Grameen Kaushalya Yojana (DDU-GKY)Question 584
Arithmetic
What happens to tectonic plates at divergent boundaries?
A
They stay in one place.B
They move away from each other.C
They slide past one another.D
They move towards each other.Question 585
Arithmetic
The Make in India initiative aims to boost domestic manufacturing. In which year was the 'Make in India' campaign launched?
A
2012B
2016C
2018D
2014Question 586
Arithmetic
Which type of ROM can be programmed only once after manufacturing?
A
EEPROMB
PROMC
Mask ROMD
EPROMQuestion 587
Arithmetic
On 30 May 2021, which state declared 100% literacy under the ULLAS Nav Bharat Literacy Programme, surpassing its earlier PLFS-recorded rate?
A
KeralaB
GoaC
HimachalD
SikkimQuestion 588
Arithmetic
Which chemical reaction produces ortho-hydroxybenzoic acid, the primary reaction product used as a raw material for medications?
A
Kolbe's reactionB
Stephen reactionC
Reimer-Tiemann reactionD
Friedel-Crafts reactionQuestion 589
Arithmetic
Who first proposed a law in 1931 to clarify the idea of thermal equilibrium and its significance in determining temperature?
A
Hugh L. CallendarB
James P EspyC
Rudolf ClausiusD
Ralph H FowlerQuestion 590
Arithmetic
An infrasound microphone enables the remote detection of aircraft wake vortices, clear air turbulence, tornadoes, and seismic events at frequencies below:
A
30 HzB
10 HzC
5 HzD
20 HzQuestion 591
Arithmetic
Which of the following is considered a major social development outcome of India's economic reforms since 1991?
A
Increase in poverty rateB
Widening of fiscal deficitC
Decrease in literacy rateD
Improvement in life expectancyQuestion 592
Arithmetic
Who was the last Viceroy of India who oversaw the partition of India before leaving?
A
Pethick LawrenceB
Lord CrippsC
Lord MountbattenD
Lord WavellQuestion 593
Arithmetic
Which of the following Acts provides legal status to Lok Adalats in India?
A
Indian Penal Code, 1860B
Civil Procedure Code, 1908C
Arbitration and Conciliation Act, 1996D
Legal Services Authorities Act, 1987Question 594
Arithmetic
At the 2021 ceremony held at the European Parliament, which movie was honoured with the LUX Audience Award?
A
Emilia PérezB
AnoraC
The BrutalistD
FlowQuestion 595
Arithmetic
Which of the following Biosphere Reserves is located in Tamil Nadu?
A
Gulf of Mannar Biosphere ReserveB
Dibru-Saikhowa Biosphere ReserveC
Seshachalam Biosphere ReserveD
Sundarbans Biosphere ReserveQuestion 596
Arithmetic
Celebrated Urdu poet and bollywood writer-director Gulzar was honoured with which of the following awards in 2021?
A
Jnanpith AwardB
Padma VibhushanC
Padma ShriD
Padma BhushanQuestion 597
Arithmetic
The Supreme Court's doctrine of 'Basic Structure' (the Parliament CANNOT alter the basic features of the Constitution) was first established in which landmark case?
A
Shankari Prasad vs Union of India (1951)B
Kesavananda Bharati vs State of Kerala (1973)C
IC Golaknath vs State of Punjab (1967)D
Minerva Mills vs Union of India (1980)Question 598
Arithmetic
The 'Atmanirbhar Oil Seeds Abhiyan' launched in Budget 2021 focuses on:
A
exporting surplus oil seedsB
achieving self-sufficiency in oilseed productionC
subsidising edible oil pricesD
importing high-quality seeds for oil productionQuestion 599
Arithmetic
The Chhatrapati Shivaji Terminus is a prime example of which of the following types of architectural style?
A
Pure MughalB
Indo-SaracenicC
DravidianD
Gothic aloneQuestion 600
Arithmetic
At the time of colonial period, the Asaf Jahi dynasty was established in ________.
A
PunjabB
HyderabadC
BengalD
Mysore