RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2101
Arithmetic

A shopkeeper marks the price of an article at ₹5,960. Find the cost price if after allowing a discount of 9% he still gains 30% on the cost price.

A
₹4,277
B
₹4,154
C
₹4,172
D
₹4,142
Question 2102
Arithmetic

Which of the following is not a 'Ghana Vadya'?

A
Mridangam
B
Manjira
C
Khartal
D
Jaltarang
Question 2103
Arithmetic

Which of the following statements about Small Causes Courts is correct?

A
They can hear appeals from Nyaya Panchayats.
B
They deal exclusively with criminal cases of a minor nature.
C
Their decisions are final but subject to High Court's revision.
D
They exist in all states under a uniform nomenclature.
Question 2104
Arithmetic

What should come in place of the question mark (?) in the given series based on the English alphabetical order? ZYB GFI NMP UTW ?

A
BDA
B
ADB
C
BAD
D
ABD
Question 2105
Arithmetic

P, Q, R, S, T, U and V are sitting around a circular table facing the centre. Only two people sit between T and Q when counted from the left of Q. U sits third to the left of S. P sits to the immediate right of S. P sits second to the left of T. V is an immediate neighbour of U. How many people sit between Q and R when counted from the left of R?

A
4
B
2
C
3
D
1
Question 2106
Arithmetic

Under which Article of the Indian Constitution does the High Court exercise its original jurisdiction by issuing writs?

A
Article 226
B
Article 245
C
Article 231
D
Article 32
Question 2107
Arithmetic

Consider the following statements about Exercise LA PEROUSE, in which India participated in January 2021. The Indian Navy participated in the 4th edition of the exercise with INS Mumbai, a guided missile destroyer. The exercise was held in Indian territorial waters near the Andaman and Nicobar Islands. India's participation aligns with its SAGAR vision to promote maritime cooperation in the Indo-Pacific. It is a bilateral naval exercise conducted exclusively between India and Indonesia. Which of the above statements are correct?

A
Only 1 and 3
B
Only 1, 3 and 4
C
Only 1, 2 and 4
D
Only 2 and 3
Question 2108
Arithmetic

What is the title of the poetry collection by Michael Madhusudan Dutt, published in 1849, that narrates the story of Prithviraj Chauhan?

A
The Noble King
B
The Warrior's Tale
C
The Captive Lady
D
Echoes of Rajputana
Question 2109
Arithmetic

Which of the following dance forms represents the love stories of Radha and Krishna?

A
Raslila
B
Kalbelia
C
Giddha
D
Matki
Question 2110
Arithmetic

Three numbers are in the ratio 5: 1: 7, and their LCM is 7595. Their HCF is:

A
259
B
208
C
217
D
236
Question 2111
Arithmetic

In December 2024, which industrial company was certified as a 'Great Place to Work'?

A
Steel Authority of India Limited (SAIL)
B
National Thermal Power Corporation (NTPC)
C
Bharat Heavy Electricals Limited (BHEL)
D
Gas Authority Of India Ltd. (GAIL)
Question 2112
Arithmetic

In a certain code language, 'HIRE' is coded as '7539' and 'INKS' is coded as '2496'. What is the code for 'I' in the given code language?

A
2
B
9
C
6
D
5
Question 2113
Arithmetic

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter cluster pair 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
GC-ZV
B
LH-DC
C
CY-VR
D
RN-KG
Question 2114
Arithmetic

A retailer offers the following discount schemes for buyers on an article. I. Two successive discounts of 27% II. A discount of 7% followed by a discount of 6% III. Successive discounts of 45% and 29% IV. A discount of 20% followed by a discount of 38% Which scheme will fetch the maximum selling price?

A
IV
B
III
C
I
D
II
Question 2115
Arithmetic

Study the given Venn diagram carefully and answer the question that follows. The numbers in different sections indicate the number of persons. How many surgeons are there who are also dieticians but not barbers?

A
22
B
15
C
9
D
18
Question 2116
Arithmetic

In MS Word 365, which feature allows users to customise the appearance of bulleted lists by selecting different bullet styles or symbols and modifying their size and color?

A
Line Spacing
B
List Style
C
Bullet Library
D
Format Painter
Question 2117
Arithmetic

Which of the following is/are correct with respect to the World Trade Organization (WTO)? 1. WTO agreements cover trade in goods as well as services to facilitate international trade. 2. It aims to remove tariff as well as non-tariff barriers and provide greater market access to all member countries. 3. India has kept its commitments towards liberalisation of trade, made in the WTO, by removing quantitative restrictions on imports and reducing tariff rates. Which of the above statements are correct?

A
Only 1 and 2
B
Only 2 and 3
C
Only 1 and 3
D
1, 2 and 3
Question 2118
Arithmetic

Due to decrease in manpower, the production in a factory decreases by 12%. By what percentage (rounded off to two decimal places) should the working hours be increased to restore the original production?

A
16.67%
B
12.33%
C
13.64%
D
23.23%
Question 2119
Arithmetic

Mr. U starts from Point F and drives 2 km towards the west. He then takes a left turn, drives 4 km, turns right and drives 10 km. He then takes a left turn and drives 4 km. He then takes a left turn and drives 12 km. He takes a final left turn, drives 2 km and stops at Point O. How far (shortest distance) and towards which direction should he drive in order to reach Point F again? (All turns are 90 degree turns only unless specified.)

A
4 km towards the south
B
6 km towards the west
C
6 km towards the north
D
8 km towards the east
Question 2120
Arithmetic

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?  48 ÷ 14 − 168 × 3 + 47 =?

A
681
B
691
C
671
D
661
Question 2121
Arithmetic

The volume (in m³) of a cube, each of whose edges is 25 m, is:

A
15,583
B
15,625
C
15,529
D
15,664
Question 2122
Arithmetic

Which of the following numbers is divisible by both 43 and 32?

A
135131
B
136224
C
137005
D
137868
Question 2123
Arithmetic

Which of the options below is equivalent to $216x^3 + 343y^3 + 756x^2y + 882xy^2$.

A
$(8x + 7y)^3$
B
$(7x + 6y)^3$
C
$(6x + 7y)^3$
D
$(6x + 10y)^3$
Question 2124
Arithmetic

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) 6 £ & 8 4 * % 7 2 & 2 2 9 £ 1 & € 1 2 6 6 2 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

A
0
B
1
C
3
D
2
Question 2125
Arithmetic

Which of the following forest-dwelling tribes, found in Uttarakhand, is known for seasonal migration and forest-based cattle herding?

A
Bhil
B
Tharu
C
Gaddi
D
Van Gujjar