RRB-NTPC 2016 Mathematics

Practice subject-wise previous year questions

Question 1226
Arithmetic

Which Sangam text, from the 2nd century CE, is an epic about a chaste wife’s devotion?

A
Pattuppattu
B
Tolkappiyam
C
Manimekalai
D
Silappatikaram
Question 1227
Arithmetic

Which type of irrigation in India involves delivering water drop by drop at the root zone of plants?

A
Surface irrigation
B
Drip irrigation
C
Sub-irrigation
D
Sprinkler irrigation
Question 1228
Arithmetic

The population of a village was 2,90,000. It increased by 15% in the first year and increased by 20% in the second year. Its population after two years is _______.

A
3,33,500
B
4,00,200
C
3,48,000
D
3,91,500
Question 1229
Arithmetic

A man can row at 8 km/hr in still water. When the river flows at 2 km/hr, he takes 3 hours 12 minutes to row to a destination and back. Find the distance to the destination.

A
10 km
B
8 km
C
15 km
D
12 km
Question 1230
Arithmetic

The part of the pomegranate that is consumed is known as:

A
Pericarp
B
Placenta
C
Endocarp
D
Seed Coat
Question 1231
Arithmetic

Seven people, K, L, M, N, P, Q and R, are sitting around a circular table facing the centre of the table but not necessarily in the same order. Only two people sit between R and N when counted from the left of N. L sits third to the left of Q. P sits to the immediate right of Q. P sits second to the left of R. M is not an immediate neighbour of L. Who sits third to the right of K?

A
R
B
Q
C
M
D
P
Question 1232
Arithmetic

In which year were the Telugu and Kannada languages given the status of Classical Languages by the Indian Government?

A
2006
B
2004
C
2014
D
2008
Question 1233
Arithmetic

Which shortcut opens the system menu of an active window?

A
Alt+Space
B
Alt+Enter
C
Alt+F4
D
Alt+Tab
Question 1234
Arithmetic

Each of the digits in the number 749216358 is arranged in descending order from left to right. What will be the product of the digits which are second from the left and third from the right in the number thus formed?

A
21
B
24
C
18
D
16
Question 1235
Arithmetic

Which of the following was NOT an excavated site of the Banas culture?

A
Gilund
B
Bagor
C
Nagda
D
Ahar
Question 1236
Arithmetic

At what rate (in percentage) per year will a sum of money double itself in 20 years on simple interest?

A
10
B
5
C
7
D
3
Question 1237
Arithmetic

Which characteristic best differentiates Static RAM (SRAM) from Dynamic RAM (DRAM), leading to SRAM being used for CPU cache and DRAM for main system memory (RAM)?

A
DRAM is located directly on the CPU die, while SRAM is located on the motherboard.
B
DRAM is non-volatile, while SRAM is volatile.
C
SRAM is significantly faster, more expensive, and consumes less power than DRAM.
D
SRAM requires constant refreshing to hold data, while DRAM does not.
Question 1238
Arithmetic

Rohit gets double the amount in 6 years when invested at compound interest, compounded annually. In how many years will the amount become sixteen times itself?

A
48
B
12
C
96
D
24
Question 1239
Arithmetic

Evaluate: $16 + 20 \div 4 - 3 \times 4$

A
9
B
8
C
11
D
12
Question 1240
Arithmetic

In accordance with Article 84 of the Constitution of India, which of the following is the minimum age a person must meet to qualify for membership of the House of the People?

A
Twenty-one years
B
Twenty-five years
C
Thirty years
D
Eighteen years
Question 1241
Arithmetic

Which facility, inaugurated in 2025 by the ISRO Chairman, became India's first private sector navigation innovation hub aimed at strengthening self-reliance in advanced navigation systems?

A
Indian Navigation Research and Innovation Centre
B
National Hub for Advanced Satellite Navigation
C
Ananth Centre of Excellence for Navigation
D
Centre for Indigenous Navigation Technologies
Question 1242
Arithmetic

Which of the following pairs of leaders were closely associated with the signing of the Lucknow Pact of 1916?

A
Dadabhai Naoroji and Surendranath Banerjee
B
Lala Lajpat Rai and Bipin Chandra Pal
C
Gopal Krishna Gokhale and Annie Besant
D
Bal Gangadhar Tilak and Muhammad Ali Jinnah
Question 1243
Arithmetic

Which of the following is an example of Application Software?

A
MS Excel
B
BIOS
C
Linux
D
Windows
Question 1244
Arithmetic

While cooking, if the exterior of the cooking vessel becomes blackened, what does it indicate?

A
The food inside is undercooked.
B
The fuel is fully burned.
C
The combustion of the fuel is incomplete.
D
The fuel contains moisture.
Question 1245
Arithmetic

In what duration (in years) will ₹7,200 fetch a simple interest of ₹1,080 at 6% per annum rate of interest?

A
1.5
B
5
C
2.5
D
3.5
Question 1246
Arithmetic

The interference of two identical waves moving in opposite directions produces:

A
Incident Waves
B
Standing Waves
C
Longitudinal Waves
D
Transversal waves
Question 1247
Arithmetic

A pharmaceutical research laboratory purchases analytical testing kits priced at ₹12,000 each. The supplier offers a scheme of "Buy 10 kits, get 2 free," along with a volume discount of 15% on purchases exceeding ₹1,00,000, and an additional 5% institutional discount for research facilities. If the laboratory takes advantage of the complete scheme offer, what is the effective discount percentage they receive on the total value of kits? (Rounded off to two decimal places)

A
30.25%
B
35.42%
C
32.71%
D
34.18%
Question 1248
Arithmetic

In an election between two candidates, 90% of the registered voters cast their vote and 20% of the votes polled were found invalid. Winning candidate got 51% of the valid votes and won the election by a margin of 3870 votes. How many voters were registered?

A
268720
B
268760
C
268730
D
268750
Question 1249
Arithmetic

Seven people B, C, D, O, P, Q and R are sitting around a circular table facing the center of the table. D sits fourth to the right of O. Only two people sit between D and B when counted from the left of D. B sits third to the right of C. Q is an immediate neighbor of B and R. How many people sit between P and Q when counted from the right of P?

A
One
B
Four
C
Three
D
Two
Question 1250
Arithmetic

Five circles are placed adjacent to one another and have lines M1 and M2 as their common tangents. If the radius of the largest circle is 9 units and that of the smallest circle is 4 units, then what is the radius of the middle circle (in units)?

A
8
B
6
C
5
D
10