RRB-NTPC 2021 Mathematics

Practice subject-wise previous year questions

Question 1976
Arithmetic

Town C is to the east of Town D. Town E is to the north of Town C. Town F is to the south of Town E. Town G is to the west of Town F. Town D is to the north-east of Town G. What is the position of Town C with respect to Town F?

A
West
B
South
C
North
D
East
Question 1977
Arithmetic

Which of the following Articles of the Constitution of India prohibits human trafficking?

A
Article 21
B
Article 24
C
Article 19
D
Article 23
Question 1978
Arithmetic

In a certain code language, 'HEIR' is coded as '2468' and 'EASY' is coded as '1327'. What is the code for 'E' in the given code language?

A
1
B
2
C
4
D
7
Question 1979
Arithmetic

The Utkal Plains are situated along which part of India's coastal plain?

A
Eastern Coastal Plain
B
Konkan Coast
C
Malabar Coast
D
Western Coastal Plain
Question 1980
Arithmetic

After 51 litres of petrol was poured into an empty storage tank, it was still 1% empty. How much petrol (in litres, rounded off to two decimal places) must be poured into the storage tank in order to fill it?

A
50.52
B
51.52
C
52.52
D
52.05
Question 1981
Arithmetic

When 1063, 2815 and 3451 are divided by the greatest number x, the remainder in each case is y. What is the value of $(3x - 14y)$?

A
-65
B
-60
C
-62
D
-66
Question 1982
Arithmetic

The synapse's effectiveness in transmitting nerve impulses is most critically determined by which of the following?

A
The diameter of the axon
B
The length of the dendritic arborisation
C
The concentration of neurotransmitter and the number of receptors in the postsynaptic membrane
D
The presence of myelin sheaths along the dendrites
Question 1983
Arithmetic

In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one that follows the same logic. GEAN - NAGE - GAEN MAKE - EKMA - MKAE

A
TURN - URTN - URNT
B
BOLD - BLOD - DLOB
C
FOWL - LWFO - FWOL
D
BEAN - NABE - EABN
Question 1984
Arithmetic

The arithmetic mean of the observations 69, 60, 39, 58, 55, 31, 84, 64 and 80 is:

A
59
B
53
C
50
D
60
Question 1985
Arithmetic

The 'Reclining Statue of Lord Vishnu' is found in which of the following caves?

A
Elephanta caves
B
Undavalli caves
C
Ellora caves
D
Ajanta caves
Question 1986
Arithmetic

The Tonnage Tax Scheme, seen in Union Budget 2021-26, is associated with taxing which sector?

A
Telecom companies
B
Manufacturing companies
C
Digital companies
D
Shipping activities
Question 1987
Arithmetic

M, N, O, P, Y and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. O lives on an even numbered floor but not on floor number 4. Only two people live between O and Z. Y lives on an odd numbered floor but not on the lowermost floor. Only two people live between Y and M. P lives immediately below Y. How many people live between N and P?

A
Three
B
Two
C
One
D
Four
Question 1988
Arithmetic

The simplified value of $139 - 15 \times (11 + 4) + 52$ is:

A
-24
B
-25
C
-34
D
-33
Question 1989
Arithmetic

Who won the 2024 Nobel Peace Prize for their significant contributions to global peace and disarmament efforts?

A
Nihon Hidankyo
B
Antonio Guterres
C
Greta Thunberg
D
Al Gore
Question 1990
Arithmetic

What type of shrine is the Neeramankara Temple located in Nemam, Kerala, in India known to be?

A
Nirandhara type
B
Sandhara type
C
Sarvatobhadra type
D
Mandapa type
Question 1991
Arithmetic

$C$ is the third proportional of 44 and $B$. If $B$ is the sum of the first three even natural numbers, then find the value of $C$. (Round off your answer to two decimal places)

A
3.27
B
0.98
C
1.98
D
4.58
Question 1992
Arithmetic

According to the 6th Annual Employment-Unemployment Survey conducted by the Labour Bureau, what was the employment rate for women with vocational training?

A
36.20%
B
52.60%
C
46.30%
D
41.10%
Question 1993
Arithmetic

Rajesh ranked 17th from the top and 44th from the bottom in his class. How many students are there in his class?

A
61
B
60
C
59
D
62
Question 1994
Arithmetic

O, P, Q, R, S, T and X are sitting around a circular table facing the centre of the table. Only one person sits between Q and X when counted from the left of X. P sits third to the right of R. O sits third to the left of T. P sits to the immediate right of O. S is not an immediate neighbour of O. How many people sit between S and X when counted from the right of S?

A
Two
B
One
C
Three
D
Four
Question 1995
Arithmetic

Which city hosted the QS Higher Ed Summit : Middle East in April 2021?

A
Riyadh, Saudi Arabia
B
Doha, Qatar
C
Kuwait City, Kuwait
D
Dubai, UAE
Question 1996
Arithmetic

What happens if a user tries to rename a file to the same name as an existing file in the same folder?

A
The file extension is automatically changed.
B
Windows merges the contents of both files.
C
Windows displays an error: "A file with this name already exists."
D
Windows appends a number to the new filename (e.g., Document (2).txt).
Question 1997
Arithmetic

Which of the following best describes the 'Gutter' margin in MS Word 2019?

A
The space at the top of the page for a header
B
The blank space on all four sides of the page
C
Extra space added for document binding
D
A margin applied only to odd-numbered pages
Question 1998
Arithmetic

Effective Revenue Deficit was introduced in the government budgeting during which year?

A
2003-04
B
2008-09
C
2015-16
D
2011-12
Question 1999
Arithmetic

Two pipes can fill a cistern, individually, in 98 min and 28 min, respectively. There is a pipe located at the bottom of the cistern to empty it. If all the three pipes are opened simultaneously, then the empty cistern gets filled in 21 min. How long will the pipe at the bottom of the cistern take to empty the completely filled cistern if no other pipe is then open?

A
583 min
B
606 min
C
588 min
D
577 min
Question 2000
Arithmetic

What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged? $173 ÷ 3 - 135 \times 5 + 17 = ?$

A
529
B
528
C
527
D
530