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
DhruvadeviB
KubernagaC
YasomatiD
DevatideviQuestion 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 southB
3 km to the southC
2 km to the southD
1 km to the southQuestion 2329
Arithmetic
The greatest number that divides 152 and 181 leaving remainders 2 and 6, respectively, is:
A
33B
35C
25D
34Question 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 neededC
TwiceD
Only onceQuestion 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 westB
3 km to the westC
3 km to the eastD
4 km to the eastQuestion 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
1B
4C
2D
5Question 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 StadiumB
Major Dhyan Chand National Stadium, Indira Gandhi Indoor Stadium, and Dr Karni Singh Shooting RangeC
Jawaharlal Nehru Indoor Stadium, Indira Gandhi Indoor Stadium, and Talkatora StadiumD
Jawaharlal Nehru Indoor Stadium, Indira Gandhi Indoor Stadium, and Dr Karni Singh Shooting RangeQuestion 2334
Arithmetic
What is the median of the following data? 72, 47, 98, 52, 20, 86, 85, 69, 59, 81, 53
A
69.5B
69C
68.5D
70Question 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
UB
TC
RD
SQuestion 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
2B
3C
1D
4Question 2337
Arithmetic
Which of the given tribal uprisings did NOT take place around the unrest during the Revolt of 1857?
A
Naikda MovementB
Rebellion of SambalpurC
Santhal RebellionD
Birsa Munda RevoltQuestion 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 labourersB
High input costs and credit inaccessibilityC
Limited demand for food grainsD
Excess availability of landQuestion 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 activistB
Leader in the anti-emergency protest movementC
Leader in the Bhoodan land reform movementD
Defence researcher in Post Independent IndiaQuestion 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
28B
21C
19D
24Question 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 portsB
To establish new maritime boundariesC
To regulate inland water transportD
To modernise the 169 years old shipping lawQuestion 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 - HLB
LP - JKC
NR - LPD
OS - MQQuestion 2343
Arithmetic
What should come in place of the question mark (?) in the given series? 113 137 106 130 99 123 ?
A
116B
96C
92D
110Question 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-OQB
LP-MR-OSC
KP-MR-OSD
LP-NR-OSQuestion 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
16B
11C
13D
14Question 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
40.6B
23.6C
29.9D
30.8Question 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
6B
9C
8D
7Question 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
7,063B
3,027C
9,081D
5,045Question 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
XCHB
CXHC
XHCD
CHXQuestion 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
34B
5C
10D
16