RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 1501
Arithmetic

What value must be assigned to A so that the 8-digit number 493A9132 is divisible by 9?

A
5
B
9
C
7
D
2
Question 1502
Arithmetic

Which of the following institutions was set up during the Swadeshi movement?

A
Bethune School
B
Bengal National College
C
Banaras Hindu University
D
Shantiniketan
Question 1503
Arithmetic

Below are given two sets of numbers. In each set of numbers, a certain mathematical operation on the first number results in the second number. Similarly, a certain mathematical operation on the second number results in the third number and so on. Which of the given options follows the same set of operations as in the question? (NOTE – A two/three-digit number cannot be broken into individual digits for operations. E.g. if 37 is followed by 10, the operation cannot be 3+7 as a two-digit number cannot be broken into individual digits.) 3 – 30 – 150 – 151 9 – 90 – 450 – 451

A
6 – 60 – 30 – 150
B
12 – 120 – 600 – 601
C
15 – 150 – 750 – 749
D
8 – 80 – 400 – 40
Question 1504
Arithmetic

Form the quadratic equation whose roots are 3 and –2.

A
x² + x + 6 = 0
B
x² – x – 6 = 0
C
x² – x + 6 = 0
D
x² + x – 6 = 0
Question 1505
Arithmetic

Which of the following sectors contributes the most to the economy of the US?

A
Quaternary Activity
B
Secondary Activity
C
Tertiary Activity
D
Primary Activity
Question 1506
Arithmetic

Which national financial performance milestone was reported by the Department of Commerce for H1 FY 2025-26 (April–September 2025), highlighting best-ever export figures?

A
Highest FDI inflow in 5 years
B
Highest export quarter in H1
C
Lowest trade deficit in a decade
D
Largest export diversification program
Question 1507
Arithmetic

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements. Statements: All streams are canals. Some canals are rivers. Some rivers are seas. Conclusions: (I) Some seas are streams. (II) Some rivers are streams.

A
Only conclusion (I) follows.
B
Only conclusion (II) follows.
C
Neither conclusion (I) nor (II) follows.
D
Both conclusions (I) and (II) follow.
Question 1508
Arithmetic

SP 12 is related to WT 16 in a certain way. In the same way, MJ 15 is related to QN 19. To which of the following is EB 24 related, following the same logic?

A
JF 28
B
JG 29
C
IG 29
D
IF 28
Question 1509
Arithmetic

Which of these examples best represents a category of utility software?

A
MS PowerPoint
B
MS Excel
C
Disk Clean up
D
MS Word
Question 1510
Arithmetic

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) ? A ? M V R ? F @ D E Q * ? R V M / % * M (Right) How many such letters are there each of which is immediately preceded by a letter and also immediately followed by a symbol?

A
One
B
Three
C
None
D
Two
Question 1511
Arithmetic

What was a major reason for the slowdown in Total Factor Productivity (TFP) growth in the manufacturing sector, as found by Goldar and Kumari?

A
Over-reliance on foreign capital
B
Shortage of skilled labour
C
Deterioration in capacity utilisation
D
Excessive regulation on exports
Question 1512
Arithmetic

In a certain code language, Q + W means ‘Q is the father of W', Q @ W means ‘Q is the brother of W', Q $ W means ‘Q is the mother of W', and Q # W means ‘Q is the sister of W'. Based on the above, how is N related to S if ' N @ R + K @ S ’?

A
Son
B
Brother's son
C
Father's brother
D
Brother
Question 1513
Arithmetic

Which of the following is not a feature of the 73rd Constitutional Amendment Act, 1992?

A
Provision for reservation of seats for Scheduled Castes, Scheduled Tribes, and women
B
Establishment of Lokpal at the village level
C
Mandatory elections to Panchayats every five years
D
Establishment of Panchayats as institutions of self-government
Question 1514
Arithmetic

Select the correct option.

A
The diagonals of a square are equal and bisect each other.
B
The diagonals of a square are not equal and bisect each other.
C
The diagonals of a square are not equal and do not bisect each other.
D
The diagonals of a square are equal and do not bisect each other.
Question 1515
Arithmetic

The marks obtained by 12 students out of 50 are 24, 25, 32, 23, 40, 27, 30, 25, 20, 15, 16, 45. Find the median marks.

A
23
B
25
C
27
D
24
Question 1516
Arithmetic

L, M, N, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on till the topmost floor is numbered 6. M lives on the topmost floor. Only three people live between M and D. N lives on a floor below D. E lives on an even numbered floor. L lives on an odd numbered floor, but not on floor number 5. How many people live between F and D?

A
Three
B
Four
C
One
D
Two
Question 1517
Arithmetic

A shopkeeper purchased 67 dozens of articles at the rate of ₹300 per dozen. He sold each one of them at the rate of ₹34. What percentage profit did he make?

A
37%
B
38%
C
34%
D
36%