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
57B
59C
63D
61Question 852
Arithmetic
20% of a number is more than 20% of 620 by 210. The number is:
A
1520B
1720C
1670D
1770Question 853
Arithmetic
Working of hydraulic lift and hydraulic brakes is based on:
A
Faraday's lawB
Gay-Lussac’s lawC
Pascal’s lawD
Coulomb's lawQuestion 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
3B
2C
4D
1Question 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
NebulaB
Phantom-XC
GazapD
TitanQuestion 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
737B
837C
520D
670Question 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 15C
Article 39(d)D
Article 14Question 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 23B
MGX 23C
LGY 24D
LFW 23Question 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
ORTTB
ORSTC
OSSTD
OOPTQuestion 860
Arithmetic
The average of 13 numbers is 8. If each number is multiplied by 7, then what will the new average be:
A
7B
8C
56D
13Question 861
Arithmetic
Administrators of the Andaman and Nicobar Islands and Puducherry are designated as _________.
A
GovernorB
Lieutenant GovernorC
AdministratorD
Chief MinisterQuestion 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 AfricaB
EnglandC
New ZealandD
AustraliaQuestion 863
Arithmetic
Which legislation forms the legal basis for the creation and operation of the Central Administrative Tribunal (CAT)?
A
The Service Matters Act, 1990B
The Administrative Tribunals Act, 1985C
The Judiciary Act, 1971D
The Tribunals Reforms Act, 1980Question 864
Arithmetic
In December 2025, the Finance Minister called on states to manage their debt within the limits prescribed under which fiscal framework?
A
GSTB
FRBMC
Monetary PolicyD
NITI AayogQuestion 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
OneB
TwoC
ThreeD
FourQuestion 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
1B
2C
3D
4Question 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
32.03B
36.77C
30.77D
28.47Question 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 currencyB
To coordinate defense policiesC
To standardize education systemsD
To promote trade and investmentQuestion 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
1B
0C
2D
3Question 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
1000B
1300C
1200D
1100Question 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 21B
LFR 17C
ZTH 18D
XHD 19Question 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/hB
12 km/hC
21 km/hD
18 km/hQuestion 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 westB
2 km to the eastC
3 km to the westD
3 km to the east