RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 1
Arithmetic
Which of the following is NOT one of the three approaches of the Government of India for poverty reduction?
A
Growth-oriented approach with the expectation that economic growth would trickle down to the poor.B
Raise incomes and employment for the poor by creating additional assets and by means of work generation.C
Provide minimum basic amenities to people through public expenditure on social consumption needs.D
Ensure the bare minimum level of remuneration or wage for labour with different levels of skills.Question 2
Arithmetic
Which of the following is NOT a dimension of the Human Development Index (HDI)?
A
The standard of living and command over resourcesB
A long and healthy lifeC
Military strength and defence expenditureD
The acquisition of education and knowledgeQuestion 3
Arithmetic
Two pipes can fill a cistern, individually, in 99 min and 90 min, respectively. There is a pipe located at the bottom of the cistern to empty it. If all the three pipes are opened simultaneously, then the empty cistern gets filled in 50 min. How long will the pipe at the bottom of the tank take to empty the completely filled cistern if no other pipe is then open?
A
841 minB
825 minC
822 minD
815 minQuestion 4
Arithmetic
What is the term used for alternative forms of a gene?
A
LocusB
AlleleC
ChromosomeD
GenomeQuestion 5
Arithmetic
Tsarap Chu Conservation Reserve, India's largest conservation reserve as of May 2021, is located in which of the following states?
A
Himachal PradeshB
Andhra PradeshC
AssamD
Arunachal PradeshQuestion 6
Arithmetic
Amravati, Bhavani, Hemavati, and Kabini are the main tributaries of which of the following rivers?
A
TapiB
KaveriC
BrahmaputraD
IndusQuestion 7
Arithmetic
What should come in place of the question mark (?) in the given series based on the English alphabetical order? EDG, CBE, AZC, YXA, WVY, ?
A
VTUB
VSWC
UTWD
USWQuestion 8
Arithmetic
On which of the following dates did the United Nations observe the first World Clean Energy Day?
A
26 January 2024B
26 January 2022C
6 June 2018D
6 June 2020Question 9
Arithmetic
Who was the compiler of the book 'I AM?', which was launched in February 2021 by Shri Jagdeep Dhankhar, the Honourable Vice President of India?
A
Namita GokhaleB
Gopichand P HindujaC
PS Raman D
Arun ShourieQuestion 10
Arithmetic
Which of the following is NOT among the six fundamental rights provided in Part III of the Indian Constitution?
A
Right against ExploitationB
Right to Religious EducationC
Right to EqualityD
Right to FreedomQuestion 11
Arithmetic
The Karnataka Khadi and Gramodyoga Samyukta Sangha (KKGSS), the only unit legally permitted to manufacture the tricolour flag out of pure khadi, is located in which place?
A
GokarnaB
BadamiC
BengeriD
BelurQuestion 12
Arithmetic
How does diversification of agricultural activities contribute to rural prosperity?
A
By increasing reliance on traditional cropping patternsB
By focussing only on staple cropsC
By providing alternative income sources and improving resilienceD
By reducing agricultural productivityQuestion 13
Arithmetic
A and B complete a work in 14 days. If A alone can do it in 42 days, then then B alone can do one-third of the same work in ________ (days).
A
21B
14C
28D
7Question 14
Arithmetic
Three years ago from now, Aman was four times Chaman's age. Three years from now, he will be twice as old as Chaman. What is Aman's current age (in years)?
A
20B
18C
10D
15Question 15
Arithmetic
Who is known as the 'Father of Modern Indian Art' and is famous for works like Shakuntala, Rang Rasiya?
A
Nandlal BoseB
Raja Ravi VermaC
Rabindranath TagoreD
Abhanindranath TagoreQuestion 16
Arithmetic
Simplify: $x(5x - 5) + 7(x^2 - 2) + 15$
A
$12x^2 - 5x + 1$B
$-12x^2 - 5x + 1$C
$12x^2 - 5x - 1$D
$-12x^2 - 5x - 1$Question 17
Arithmetic
Which of the following Articles of the Indian Constitution deals with the Directive Principles of State Policies?
A
Articles 66 to 51B
Articles 46 to 51C
Articles 56 to 51D
Articles 36 to 51Question 18
Arithmetic
What should come in place of the question mark (?) in the given series? 16, 26, 39, 55, 74, ?
A
103B
96C
90D
100Question 19
Arithmetic
The period of southwest monsoon from ________ is known as the rainy season for most parts of the country.
A
June to AugustB
May to AugustC
June to OctoberD
June to SeptemberQuestion 20
Arithmetic
Who are the authors of the book 'The Law and Spirituality: Reconnecting the Bond', released in April 2024?
A
RK Pachnanda and Uttam Kumar SinhaB
Raman Mittal and Seema SinghC
Geeta Singh and Arif Khan BhartiD
Ashok Kumar and OP ManochaQuestion 21
Arithmetic
EFHE is related to IJLI in a certain way based on the English alphabetical order. In the same way, IJLI is related to MNPM. To which of the given options is PQSP related, following the same logic?
A
TVVYB
TTVTC
TUWTD
TUVTQuestion 22
Arithmetic
As per Energy Statistics India 2021, which renewable energy source contributes the largest share to India's total estimated potential of renewable power, as of March 2021?
A
Solar energyB
Hydro powerC
Wind energyD
Biomass energyQuestion 23
Arithmetic
In a certain code language, 'pull bush map' is coded as 'hn ha lv' and 'kite input pull' is coded as 'ha of bq'. How is 'pull' coded in the given language?
A
hnB
lvC
ofD
haQuestion 24
Arithmetic
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
A
GEDB
ZXWC
SQOD
KIHQuestion 25
Arithmetic
The Main Worker is a person who works for:
A
at least 120 days (or four months) in a yearB
at least 183 days (or six months) in a yearC
at least 153 days (or five months) in a yearD
at least 90 days (or three months) in a year