RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 2576
Arithmetic

As per April 2021, Reserve Bank of India (RBI) allows flexibility in UPI transaction limits for in-person merchant payments, ranging from ₹2 lakh to ______.

A
₹6 lakh
B
₹4 lakh
C
₹5 lakh
D
₹3 lakh
Question 2577
Arithmetic

In the 2024 Jammu & Kashmir Assembly elections, from which constituency did the current Chief Minister of J & K contest, and which party does he/she represent?

A
Ganderbal, Jammu & Kashmir People's Democratic Party (JKPDP)
B
Baramulla, Jammu & Kashmir National Conference (JKNC)
C
Srinagar, Indian National Congress (INC)
D
Ganderbal, Jammu & Kashmir National Conference (JKNC)
Question 2578
Arithmetic

TN 14 is related to PK 29 in a certain way. In the same way, JD 3 is related to FA 18. To which of the given options is SG -5 related, following the same logic?

A
OC 8
B
OC 10
C
OD 10
D
OD 8
Question 2579
Arithmetic

Which mission, launched by ISRO in January 2021, carried the NVS-02 navigation satellite?

A
PSLV-C55
B
GSLV-F16
C
LVM3-M5
D
GSLV-F15
Question 2580
Arithmetic

Commemorated on National Science Day, CV Raman established key scientific platforms in India. The scientific journal founded by him was ______.

A
Nature India
B
Science India Monthly
C
Current Science
D
Indian Journal of Physics
Question 2581
Arithmetic

Privatisation was a key pillar of the New Economic Policy of 1991. Which of the following is NOT a form of privatisation?

A
Disinvestment
B
Asset monetisation
C
Sovereign borrowing
D
Strategic sale
Question 2582
Arithmetic

Mr. Yanki starts from Point A and drives 17 km towards the South. He then takes a right turn, drives 19 km, turns right and drives 29 km. He then takes a right turn and drives 15 km, turns right drives 1 km. He then takes a left turn drives 6 km. He takes a final right turn, drives 11 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 degrees turns only unless specified.)

A
4 km to the South
B
2 km to the West
C
6 km to the East
D
8 km to the North
Question 2583
Arithmetic

India's dependency on food aid reduced after the Green Revolution. Which US program had earlier provided wheat aid to India?

A
PL-480
B
KL-580
C
Green Aid
D
Marshall Plan
Question 2584
Arithmetic

Which of the following numbers is divisible by 87?

A
8004
B
8088
C
7150
D
7835
Question 2585
Arithmetic

The sides (in cm) of a right triangle are $(x - 5)$, $(x – 10)$ and $x$. Its area (in cm$^2$) is:

A
150
B
162
C
158
D
163
Question 2586
Arithmetic

4 chairs and 14 tables cost ₹4,000 and 16 chairs and 12 tables cost ₹5,000. What is the cost of 8 chairs and 4 tables?

A
₹2,002
B
₹1,998
C
₹2,004
D
₹2,000
Question 2587
Arithmetic

Which Indian states are covered under the CITI-CDRA project as of March 2021?

A
Odisha, West Bengal, Assam
B
Tamil Nadu, Karnataka, Kerala
C
Gujarat, Haryana, Punjab
D
Rajasthan, Madhya Pradesh, Maharashtra
Question 2588
Arithmetic

In a class of 30 students, the average score on a test is 75. If 20 students scored an average of 80, what is the average score of the remaining 10 students?

A
65
B
70
C
72
D
60
Question 2589
Arithmetic

In March 2021, the Indian Government has introduced a ______ incentive scheme for banks to encourage small-value UPI transactions in the financial year 2024-25?

A
₹1,500 crore
B
₹1,600 crore
C
₹1,700 crore
D
₹1,800 crore
Question 2590
Arithmetic

If the third proportional of 81 and Z is 9, then what is the positive value of Z?

A
25
B
28
C
27
D
30
Question 2591
Arithmetic

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. RCX TDS VEN XFI?

A
ZHE
B
ZIE
C
ZIF
D
ZGD
Question 2592
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) & # 9 % 6 4 % ©@ & 6 4 6 7© 9 8 5 % 9©7 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

A
3
B
4
C
2
D
1
Question 2593
Arithmetic

India's telecom revolution is a major outcome of liberalisation. Which regulatory authority was established in 1997 to oversee the telecom sector?

A
TRAI
B
SEBI
C
NABARD
D
IRDAI
Question 2594
Arithmetic

L is the mother of two sons, namely, P and J. F is the wife of P. Q is the daughter of J. How is L related to Q?

A
Husband's mother
B
Father's mother
C
Mother's mother
D
Mother
Question 2595
Arithmetic

Fenil starts from Point Y and drives 19 km towards the west. He then takes a left turn, drives 49 km, turns left and drives 12 km. He then takes a left turn and drives 28 km. He takes a left turn and drives 38 km. He then turns right and drives 21 km to stop at Point Z. How far (shortest distance) and towards which direction should he drive in order to reach Point Y again? (All turns are 90 degree turns only unless specified.)

A
51 km towards the south
B
39 km towards the west
C
41 km towards the south
D
45 km towards the east
Question 2596
Arithmetic

The average weight of M and his three friends is 65 kg. If M's weight is 8 kg more than the average weight of his three friends, what is M's weight (in kg)?

A
71
B
70
C
68
D
69
Question 2597
Arithmetic

In a certain code language, 'FISH' is coded as '6458' and 'HAVE' is coded as '5723'. What is the code for 'H' in the given code language?

A
5
B
7
C
8
D
2
Question 2598
Arithmetic

Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. HKO: FJM DPY: BOW

A
WGO: SCJ
B
BPS: AKI
C
TRK: RQI
D
BZI: WVD
Question 2599
Arithmetic

When the difference between compound interest, compounded annually, and simple interest for three years is ₹228 at 4% interest per annum, the principal is ₹______.

A
46,300
B
48,075
C
47,295
D
46,875
Question 2600
Arithmetic

Which zone of the Great Indian Plains has high humidity and marshy conditions?

A
Bhangar
B
Bhabar
C
Delta
D
Terai