RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 926
Arithmetic

In December 2025, India and Russia signed the RELOS agreement. What is the primary purpose of this agreement?

A
To promote civilian technology sharing between India and Russia
B
To establish joint agricultural research centers
C
To enhance educational exchange programs between India and Russia
D
To facilitate reciprocal military logistics support between India and Russia
Question 927
Arithmetic

Which of the following scientists gave the concept of atomic mass?

A
Ernest Rutherford
B
John Dalton
C
J.J. Thomson
D
Niels Bohr
Question 928
Arithmetic

Logan starts from Point A and drives 18 km towards west. He then takes a left turn, drives 15 km, turns right and drives 12 km. He then takes a right turn and drives 15 km. He takes a final right turn, drives 5 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-degree turns only, unless specified.)

A
18 km towards south
B
15 km towards west
C
25 km towards east
D
5 km towards north
Question 929
Arithmetic

Which of the given letter-number clusters will replace the question mark (?) in the following series to make it logically complete?  CLW 31 LUF 33 UDO 35 DMX 37 ?

A
NUR 39
B
MVG 39
C
LST 39
D
XSH 38
Question 930
Arithmetic

Who composed the ‘Prayag Prashasti’ (Allahabad Pillar Inscription), detailing the conquests of Samudragupta?

A
Vishakhadatta
B
Banabhatta
C
Harisena
D
Kalidasa
Question 931
Arithmetic

There are 72 members in group A, 12 members in group B and 87 members in group C. All the members of these groups went to a restaurant. The average amounts spent on each member of groups A, B and C are ₹404, ₹316 and ₹424, respectively. The overall average amount (in ₹) spent per member is:

A
404
B
412
C
408
D
409
Question 932
Arithmetic

If 160% of 75% of A is equal to two times the value of 150% of B, then A is more/less than B by how much percentage?

A
150%, less
B
150%, more
C
60%, less
D
60%, more
Question 933
Arithmetic

The Lilatilakam, a 14th-century treatise, played a significant role in establishing the classical status of which Indian language through its grammatical and poetic principles?

A
Tamil
B
Kannada
C
Malayalam
D
Odia
Question 934
Arithmetic

Tejasvi, Trishana and Meena are three sisters. Tejasvi and Trishana are twins. The sum of the ages of Tejasvi and Trishana is the same as that of Meena. Four years earlier, the ratio of the ages of Tejasvi and Meena was 1:3. What will be the age of Trishana 4 years from now?

A
18 years
B
16 years
C
12 years
D
14 years
Question 935
Arithmetic

The revised methodology from 2025 for calculating Green Credit for tree plantation requires certain thresholds before a claim can be submitted. Which is the correct eligibility pair?

A
7 years of restoration + 40% canopy density
B
3 years of restoration + 30% canopy density
C
5 years of restoration + 60% canopy density
D
5 years of restoration + 40% canopy density
Question 936
Arithmetic

As of December 2025, under the Pradhan Mantri Jan-Dhan Yojana (PMJDY), eligible account holders can access an overdraft facility of up to:

A
₹10,000
B
₹8,000
C
₹15,000
D
₹5,000
Question 937
Arithmetic

At what rate (in percentage, rounded off to two decimal place) per year will a sum of money 5 times itself in 15 years on simple interest?

A
26.67
B
53.34
C
28.67
D
24.67
Question 938
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) T O @ $ J $ S € M L I * N G © Y & T P £ Y T (Right) How many such symbols are there each of which is immediately preceded by a letter and also immediately followed by a symbol?

A
4
B
2
C
1
D
3
Question 939
Arithmetic

A woman travelled at a speed of 20 m/min for 90 min, and at a speed of 72 m/min for 66 min. Her average speed (in m/min) for the entire journey is:

A
35
B
46
C
48
D
42
Question 940
Arithmetic

If the mean of the following data is 35, find the value of X. Class 10-20 20-30 30-40 40-50 50-60 Frequency 42 26 45 46 X

A
28
B
34
C
26
D
32
Question 941
Arithmetic

Evaluate: $(-9) - (-60) \div (-6) + (-2) \times 8$

A
-37
B
-38
C
-35
D
-34
Question 942
Arithmetic

In the given figure, lines AO and DE are parallel. What is the value of x? 

A
$145^\circ$
B
$45^\circ$
C
$100^\circ$
D
$35^\circ$
Question 943
Arithmetic

Which dynasty ruled over Kannauj during the Tripartite Struggle?

A
Rashtrakutas
B
Chalukyas
C
Palas - Cholas
D
Gurjara-Pratiharas
Question 944
Arithmetic

Which of the following methods was characteristically adopted by the Moderates during the early phase of the Indian national movement?

A
Boycott of foreign goods and institutions
B
Swadeshi Movement
C
Promotion of Vedic education
D
Constitutional reforms
Question 945
Arithmetic

P sells an item to Q at 70% profit. Q sells the same item to R at 67% loss. If R paid ₹3927 for the item, then at what price (in ₹) is the item purchased by P?

A
7003
B
6998
C
6997
D
7000
Question 946
Arithmetic

According to Census 2011, which of the following states showed a negative decadal population growth rate between 2001 and 2011?

A
Punjab
B
Nagaland
C
Gujrat
D
Kerela
Question 947
Arithmetic

Mahesh has ₹1407 with him. He divides this amount between his two sons, Vijay and Ajay, and asks them to invest their respective shares at a compound interest rate of 10% per annum, compounded annually. It is observed that Vijay’s investment amounts to the same value after 17 years as Ajay’s investment does after 18 years. How much (in ₹) did Mahesh give to Ajay?

A
837
B
670
C
737
D
520
Question 948
Arithmetic

A copper sphere of diameter 24 cm is melted and drawn into a wire of diameter 4 mm. What is the length (in metres) of the wire?

A
456
B
480
C
576
D
580
Question 949
Arithmetic

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/ subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (336, 216, 156) (379, 259, 199)

A
(432, 332, 252)
B
(394, 264, 204)
C
(412, 292, 232)
D
(449, 329, 249)
Question 950
Arithmetic

By November 2025, non-fossil power accounted for what percentage of the total installed electricity capacity in India?

A
40.20%
B
45.80%
C
51.50%
D
60.00%