RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 851
Arithmetic

What should come in place of the question mark (?) in the given series? 89 87 84 79 72 ?

A
57
B
59
C
63
D
61
Question 852
Arithmetic

20% of a number is more than 20% of 620 by 210. The number is:

A
1520
B
1720
C
1670
D
1770
Question 853
Arithmetic

Working of hydraulic lift and hydraulic brakes is based on:

A
Faraday's law
B
Gay-Lussac’s law
C
Pascal’s law
D
Coulomb's law
Question 854
Arithmetic

P, Q, R, S, T, U and V sit around a circular table facing the centre. Only one person sits between U and P when counted from the right of U. Only one person sits between P and R. Only one person sits between U and Q. Only two people sit between V and R. Only one person sits between T and Q. How many people sit between T and V when counted from the left of T?

A
3
B
2
C
4
D
1
Question 855
Arithmetic

What is the name of the powerful non-nuclear bomb unveiled by Turkey at the 17th International Defence Industry Fair (IDEF) in July 2025?

A
Nebula
B
Phantom-X
C
Gazap
D
Titan
Question 856
Arithmetic

Anand has ₹1407 with him. He divides this amount between his two sons, Anil and Ashok, and asks them to invest their respective shares at a compound interest rate of 10% per annum, compounded annually. It is observed that Anil’s investment amounts to the same value after 15 years as Ashok’s investment does after 16 years. How much (in ₹) did Anand give to Ashok?

A
737
B
837
C
520
D
670
Question 857
Arithmetic

Which of the following Articles of the Indian Constitution directs the State to ensure equal pay for equal work for both men and women?

A
Article 42(b)
B
Article 15
C
Article 39(d)
D
Article 14
Question 858
Arithmetic

Which of the following letter-number clusters will replace the question mark “?” in the given series to make it logically complete? VPG 7, ZTK 11, DXO 15, HBS 19, ?

A
LEU 23
B
MGX 23
C
LGY 24
D
LFW 23
Question 859
Arithmetic

EGDH is related to FIFI in a certain way based on the English alphabetical order. In the same way, JMHL is related to KOJM. To which of the following is NPRS related, following the same logic?

A
ORTT
B
ORST
C
OSST
D
OOPT
Question 860
Arithmetic

The average of 13 numbers is 8. If each number is multiplied by 7, then what will the new average be:

A
7
B
8
C
56
D
13
Question 861
Arithmetic

Administrators of the Andaman and Nicobar Islands and Puducherry are designated as _________.

A
Governor
B
Lieutenant Governor
C
Administrator
D
Chief Minister
Question 862
Arithmetic

At the 2025 ICC Champions Trophy held in Dubai, which country did India defeat to secure their seventh ICC title in men’s senior cricket?

A
South Africa
B
England
C
New Zealand
D
Australia
Question 863
Arithmetic

Which legislation forms the legal basis for the creation and operation of the Central Administrative Tribunal (CAT)?

A
The Service Matters Act, 1990
B
The Administrative Tribunals Act, 1985
C
The Judiciary Act, 1971
D
The Tribunals Reforms Act, 1980
Question 864
Arithmetic

In December 2025, the Finance Minister called on states to manage their debt within the limits prescribed under which fiscal framework?

A
GST
B
FRBM
C
Monetary Policy
D
NITI Aayog
Question 865
Arithmetic

Each of P, Q, R, S, T, U and V has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. Only five people have exams between V and T. Only two people have exams between R and T. Q has the exam immediately after R. S has the exam immediately before P but after T. How many people have exams between P and U?

A
One
B
Two
C
Three
D
Four
Question 866
Arithmetic

Girish scored 572 marks in an examination and was 30 marks short of 28% of maximum marks. In the same examination, his friend scored 473 marks. What is the percentage of marks scored by his friend?

A
22%
B
23%
C
21%
D
24%
Question 867
Arithmetic

Two taps can fill a cistern in 4 hours and 38 hours respectively. A third tap can empty it in 38 hours. How long (in hours) will it take to fill one-fourth of the empty cistern, if all of them are opened together?

A
1
B
2
C
3
D
4
Question 868
Arithmetic

If the median of a data is 61.54 less than its mode, then the median of the data exceeds its mean by _____. (Use the empirical formula to find the answer)

A
32.03
B
36.77
C
30.77
D
28.47
Question 869
Arithmetic

What was the main purpose of the India–MERCOSUR Preferential Trade Agreement discussions held in New Delhi on 16 October 2025?

A
To establish a common currency
B
To coordinate defense policies
C
To standardize education systems
D
To promote trade and investment
Question 870
Arithmetic

Under the Union Budget 2025–26, the FDI limit in the insurance sector was increased from:

A
26% to 49%
B
51% to 100%
C
74% to 100%
D
49% to 74%
Question 871
Arithmetic

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers only. (Left) © 3 @ 8 5 1 £ 1 6 1 5 7 2 8 # € £ © € © 1 3 (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

A
1
B
0
C
2
D
3
Question 872
Arithmetic

A train travelling at 60 km/hr crosses another train travelling in the opposite direction at 84 km/hr in 30 seconds. What is the combined length (in m) of both the trains?

A
1000
B
1300
C
1200
D
1100
Question 873
Arithmetic

Which of the given letter-number clusters will replace the question mark (?) in the following series to make it logically complete? FZN 4 XRF 6 PJX 9 HBP 13 ?

A
ZKW 21
B
LFR 17
C
ZTH 18
D
XHD 19
Question 874
Arithmetic

A boat can row 36 km downstream in the same time as it takes to row 24 km upstream. If the speed of the stream is 3 km/h, what is the speed of the boat in still water?

A
15 km/h
B
12 km/h
C
21 km/h
D
18 km/h
Question 875
Arithmetic

Manoj starts from Point A and drives 25 km towards South. He then takes a left turn, drives 17 km, turns left and drives 28 km. He then takes a left turn and drives 20 km. He takes a final left turn, drives 3 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
2 km to the west
B
2 km to the east
C
3 km to the west
D
3 km to the east