RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2326
Arithmetic

What was the name of Ramagupta's widow whom Chandragupta II married after defeating the Saka king?

A
Dhruvadevi
B
Kubernaga
C
Yasomati
D
Devatidevi
Question 2327
Arithmetic

At what rate of interest per annum will a sum of ₹8,000 amount to ₹15,625 in 1 year and 6 months, if the interest is compounded half-yearly?

A
65%
B
50%
C
67%
D
70%
Question 2328
Arithmetic

Arpan starts from Point A and drives 12 km towards East. He then takes a right turn, drives 8 km, turns right and drives 14 km. He then takes a right turn and drives 12 km. He takes a final right turn, drives 2 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only, unless specified)

A
4 km to the south
B
3 km to the south
C
2 km to the south
D
1 km to the south
Question 2329
Arithmetic

The greatest number that divides 152 and 181 leaving remainders 2 and 6, respectively, is:

A
33
B
35
C
25
D
34
Question 2330
Arithmetic

How many times may the President of India ask the Prime Minister to have an executive recommendation reconsidered by the Cabinet?

A
It is at the President's absolute discretion without limits.
B
As many times as needed
C
Twice
D
Only once
Question 2331
Arithmetic

Ganesh starts from point A and drives 11 km towards the south. He then takes a right turn, drives 8 km, turns right and drives 15 km. He then takes a right turn and drives 12 km. He takes a final right turn, drives 4 km and stops at point P. How far (shortest distance) and towards which direction should he drive in order to reach point A again? (All turns are 90-degree turns only unless specified.)

A
4 km to the west
B
3 km to the west
C
3 km to the east
D
4 km to the east
Question 2332
Arithmetic

In a certain code language, 'WILD' is coded as '5391' and 'DOGS' is coded as '2458'. What is the code for 'D' in the given code language?

A
1
B
4
C
2
D
5
Question 2333
Arithmetic

What are the names of the venues where the Khelo India Para Games (KIPG) 2021 was held?

A
Jawaharlal Nehru Indoor Stadium and Indira Gandhi Indoor Stadium
B
Major Dhyan Chand National Stadium, Indira Gandhi Indoor Stadium, and Dr Karni Singh Shooting Range
C
Jawaharlal Nehru Indoor Stadium, Indira Gandhi Indoor Stadium, and Talkatora Stadium
D
Jawaharlal Nehru Indoor Stadium, Indira Gandhi Indoor Stadium, and Dr Karni Singh Shooting Range
Question 2334
Arithmetic

What is the median of the following data? 72, 47, 98, 52, 20, 86, 85, 69, 59, 81, 53

A
69.5
B
69
C
68.5
D
70
Question 2335
Arithmetic

P, Q, R, S, T, U and V have an exam on different days of the week starting on Monday and ending on Sunday.  V has an exam on Thursday. Exactly 4 people have their exam between S and U, neither of whom has an exam on Sunday. R has an exam immediately before P. T does not have an exam on Friday. S does not have an exam after P. Who among the following has an exam on Tuesday?

A
U
B
T
C
R
D
S
Question 2336
Arithmetic

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (NOTE: All numbers are single digit numbers only.) (Left) 3 % 2 % 2 £ £ & © £ 1 1 8 5 $ 9 9 5 2 & 5 6 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

A
2
B
3
C
1
D
4
Question 2337
Arithmetic

Which of the given tribal uprisings did NOT take place around the unrest during the Revolt of 1857?

A
Naikda Movement
B
Rebellion of Sambalpur
C
Santhal Rebellion
D
Birsa Munda Revolt
Question 2338
Arithmetic

Green Revolution technologies heavily relied on inputs and were scale-sensitive. Why did small and marginal farmers face challenges in adopting Green Revolution technologies?

A
Scarcity of agricultural labourers
B
High input costs and credit inaccessibility
C
Limited demand for food grains
D
Excess availability of land
Question 2339
Arithmetic

In January 2021, Libia Lobo Sardesai was honoured with the Padma Shri for her historical contributions. What role did she play in Indian history?

A
Goa's liberation movement activist
B
Leader in the anti-emergency protest movement
C
Leader in the Bhoodan land reform movement
D
Defence researcher in Post Independent India
Question 2340
Arithmetic

If 2 is added to each even digit and 2 is added to each odd digit in the number 7153246, what will be the sum of all the odd digits in the new number thus formed?

A
28
B
21
C
19
D
24
Question 2341
Arithmetic

In March 2021, India's Parliament passed the Bills of Lading Bill, 2021. What was the primary objective of this legislation?

A
To privatise major ports
B
To establish new maritime boundaries
C
To regulate inland water transport
D
To modernise the 169 years old shipping law
Question 2342
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 is the letter-cluster pair that 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
JN - HL
B
LP - JK
C
NR - LP
D
OS - MQ
Question 2343
Arithmetic

What should come in place of the question mark (?) in the given series? 113 137 106 130 99 123 ?

A
116
B
96
C
92
D
110
Question 2344
Arithmetic

Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern. QV-SX-UW NS-PU-RT

A
KP-MR-OQ
B
LP-MR-OS
C
KP-MR-OS
D
LP-NR-OS
Question 2345
Arithmetic

This question is based on the five, three-digit numbers given below. (Left) 823 664 309 431 175 (Right) (Example- 697 – First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the first digit of the highest number is added to the third digit of the lowest number?

A
16
B
11
C
13
D
14
Question 2346
Arithmetic

The speed of a boat in still water is 7 km/hr and the speed of the stream is 5 km/hr. A man rows to a place at a distance of 52.8 km and comes back to the starting point. Find the total time (in hours) taken by him.

A
40.6
B
23.6
C
29.9
D
30.8
Question 2347
Arithmetic

If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 7452183, then what will be the difference between the highest and lowest digits in the new number thus formed be?

A
6
B
9
C
8
D
7
Question 2348
Arithmetic

The average price of three items of furniture is ₹15,135. If their prices are in the ratio 3: 5:7, the price of the cheapest item (in ₹) is:

A
7,063
B
3,027
C
9,081
D
5,045
Question 2349
Arithmetic

What should come in place of the question mark (?) in the given series based on the English alphabetical order? FKP DIN BGL ZEJ ?

A
XCH
B
CXH
C
XHC
D
CHX
Question 2350
Arithmetic

A 100 m long train overtakes a man moving at a speed of 9 km/hr (in same direction) in 30 seconds. How much time (in seconds) will this train take to completely cross another 220 m long train, moving in the opposite direction at a speed of 51 km/hr?

A
34
B
5
C
10
D
16