RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 101
Arithmetic
What can happen if rocks are not weathered in the context of the movement of Earth's materials?
A
Mass movement would be more frequentB
Soil fertility would improveC
Erosion would be insignificantD
Erosion would increaseQuestion 102
Arithmetic
Which of the following Acts aims to prevent money laundering in India?
A
SEBIB
FEMAC
PMLAD
FCRAQuestion 103
Arithmetic
Which sweetener, first used in 1879, has received FDA approval for use in fruit juice beverages?
A
AspartameB
SucraloseC
SaccharinD
NeotameQuestion 104
Arithmetic
Which event marked the pivot moment in the extremist and moderate struggle during the Indian freedom struggle?
A
Jallianwala Bagh MassacreB
Champaran SatyagrahaC
Surat SplitD
Partition of BengalQuestion 105
Arithmetic
Which of the following best describes the public sector's role in the Indian economy during 1947-1991?
A
Dominant in core and heavy industriesB
Only limited to agricultureC
Minimal presenceD
Focussed only on foreign tradeQuestion 106
Arithmetic
According to Ibn Battuta, a Moroccan traveller to India during the Delhi Sultanate, the method of postal system in which the royal horses were used to transfer packages, is called:
A
DawaB
UluqC
MansabdariD
IkatQuestion 107
Arithmetic
How many small states of present-day Odisha were integrated into the Indian Union at the time of Partition?
A
26B
42C
34D
15Question 108
Arithmetic
Which programme aims to ensure access to safe and adequate drinking water through tap connections by 2024?
A
Jal Jeevan MissionB
Jal Kranti AbhiyanC
PM-KUSUMD
Atal Bhujal YojanaQuestion 109
Arithmetic
The distribution of population in India is:
A
uniform across all regionsB
more in desert areasC
denser in hilly regionsD
uneven, with variations across regionsQuestion 110
Arithmetic
Which acid is used in non-ionic detergent reactions to improve cleaning qualities and thicken detergents?
A
Stearic acidB
Barbituric acidC
Propanoic acidD
Oxalic acidQuestion 111
Arithmetic
In April 2021, which Indian cricketer was named for Wisden Leading Cricketers in the World 2024 who scored 1659 runs across formats in 2024?
A
Harmanpreet KaurB
Smriti MandhanaC
Jemimah RodriguesD
Harleen DeolQuestion 112
Arithmetic
Which State Government launched India's first ferret research facility in February 2021?
A
PunjabB
RajasthanC
DelhiD
HaryanaQuestion 113
Arithmetic
The US Army contingent that participated in Exercise YUDH ABHYAS held in September 2024 belonged to which of the following divisions?
A
82nd Airborne DivisionB
11th Airborne DivisionC
1st Infantry DivisionD
101st Airborne DivisionQuestion 114
Arithmetic
Which state became the leading beneficiary of the Green Revolution in India?
A
BiharB
AssamC
PunjabD
OdishaQuestion 115
Arithmetic
Which of the following elements is classified as an actinoid group element?
A
ThoriumB
YtterbiumC
LanthanumD
CeriumQuestion 116
Arithmetic
Which department has notified rules for the use of radar equipment to measure vehicle speed under the Legal Metrology (General) Rules, 2011?
A
Department of Consumer AffairsB
Ministry of Electronics and Information TechnologyC
Ministry of Road Transport and HighwaysD
Ministry of Home AffairsQuestion 117
Arithmetic
Which of the following is the easternmost range of the Himalayas?
A
ZanskarB
Purvanchal RangeC
DhauladharD
Pir PanjalQuestion 118
Arithmetic
The Bhimbetka rock shelters, known for prehistoric cave paintings, are located in which of the following states of India?
A
Madhya PradeshB
Uttar PradeshC
RajasthanD
GujaratQuestion 119
Arithmetic
Protection of environment and wildlife is mentioned in which Article of the Indian Constitution?
A
Article 48AB
Article 48C
Article 47D
Article 49Question 120
Arithmetic
Which of the following operating systems is NOT typically used on desktop or laptop computers?
A
WindowsB
AndroidC
LinuxD
macOSQuestion 121
Arithmetic
A single narrative detailing one of Buddha's former existences is known by which of the following names?
A
VinayaB
JatakaC
TripitakaD
SutraQuestion 122
Arithmetic
What legal document allowed Princely States to join either India or Pakistan after independence?
A
Instrument of AccessionB
Standstill AgreementC
Treaty of AccessionD
Pact of UnityQuestion 123
Arithmetic
Which of the following is the Chief Minister of a state in India primarily responsible for?
A
President of IndiaB
Supreme CourtC
Governor of the StateD
State Legislative AssemblyQuestion 124
Arithmetic
Which Indian author won the 2021 International Booker Prize for the short story collection 'Heart Lamp'?
A
Jeet ThayilB
Deepa BhasthiC
Banu MushtaqD
Pratibha SatpathyQuestion 125
Arithmetic
Which of the following quantities remains unchanged when a charged particle moves in a magnetic field?
A
Direction of velocityB
Kinetic energyC
Momentum directionD
Angular momentum