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
₹4,277B
₹4,154C
₹4,172D
₹4,142Question 2102
Arithmetic
Which of the following is not a 'Ghana Vadya'?
A
MridangamB
ManjiraC
KhartalD
JaltarangQuestion 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
BDAB
ADBC
BADD
ABDQuestion 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
4B
2C
3D
1Question 2106
Arithmetic
Under which Article of the Indian Constitution does the High Court exercise its original jurisdiction by issuing writs?
A
Article 226B
Article 245C
Article 231D
Article 32Question 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 3B
Only 1, 3 and 4C
Only 1, 2 and 4D
Only 2 and 3Question 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 KingB
The Warrior's TaleC
The Captive LadyD
Echoes of RajputanaQuestion 2109
Arithmetic
Which of the following dance forms represents the love stories of Radha and Krishna?
A
RaslilaB
KalbeliaC
GiddhaD
MatkiQuestion 2110
Arithmetic
Three numbers are in the ratio 5: 1: 7, and their LCM is 7595. Their HCF is:
A
259B
208C
217D
236Question 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
2B
9C
6D
5Question 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-ZVB
LH-DCC
CY-VRD
RN-KGQuestion 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
IVB
IIIC
ID
IIQuestion 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
22B
15C
9D
18Question 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 SpacingB
List StyleC
Bullet LibraryD
Format PainterQuestion 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 2B
Only 2 and 3C
Only 1 and 3D
1, 2 and 3Question 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 southB
6 km towards the westC
6 km towards the northD
8 km towards the eastQuestion 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
681B
691C
671D
661Question 2121
Arithmetic
The volume (in m³) of a cube, each of whose edges is 25 m, is:
A
15,583B
15,625C
15,529D
15,664Question 2122
Arithmetic
Which of the following numbers is divisible by both 43 and 32?
A
135131B
136224C
137005D
137868Question 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
0B
1C
3D
2Question 2125
Arithmetic
Which of the following forest-dwelling tribes, found in Uttarakhand, is known for seasonal migration and forest-based cattle herding?
A
BhilB
TharuC
GaddiD
Van Gujjar