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
PattuppattuB
TolkappiyamC
ManimekalaiD
SilappatikaramQuestion 1227
Arithmetic
Which type of irrigation in India involves delivering water drop by drop at the root zone of plants?
A
Surface irrigationB
Drip irrigationC
Sub-irrigationD
Sprinkler irrigationQuestion 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
3,33,500B
4,00,200C
3,48,000D
3,91,500Question 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 kmB
8 kmC
15 kmD
12 kmQuestion 1230
Arithmetic
The part of the pomegranate that is consumed is known as:
A
PericarpB
PlacentaC
EndocarpD
Seed CoatQuestion 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
RB
QC
MD
PQuestion 1232
Arithmetic
In which year were the Telugu and Kannada languages given the status of Classical Languages by the Indian Government?
A
2006B
2004C
2014D
2008Question 1233
Arithmetic
Which shortcut opens the system menu of an active window?
A
Alt+SpaceB
Alt+EnterC
Alt+F4D
Alt+TabQuestion 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
21B
24C
18D
16Question 1235
Arithmetic
Which of the following was NOT an excavated site of the Banas culture?
A
GilundB
BagorC
NagdaD
AharQuestion 1236
Arithmetic
At what rate (in percentage) per year will a sum of money double itself in 20 years on simple interest?
A
10B
5C
7D
3Question 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
48B
12C
96D
24Question 1239
Arithmetic
Evaluate: $16 + 20 \div 4 - 3 \times 4$
A
9B
8C
11D
12Question 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 yearsB
Twenty-five yearsC
Thirty yearsD
Eighteen yearsQuestion 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 CentreB
National Hub for Advanced Satellite NavigationC
Ananth Centre of Excellence for NavigationD
Centre for Indigenous Navigation TechnologiesQuestion 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 BanerjeeB
Lala Lajpat Rai and Bipin Chandra PalC
Gopal Krishna Gokhale and Annie BesantD
Bal Gangadhar Tilak and Muhammad Ali JinnahQuestion 1243
Arithmetic
Which of the following is an example of Application Software?
A
MS ExcelB
BIOSC
LinuxD
WindowsQuestion 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
1.5B
5C
2.5D
3.5Question 1246
Arithmetic
The interference of two identical waves moving in opposite directions produces:
A
Incident WavesB
Standing WavesC
Longitudinal WavesD
Transversal wavesQuestion 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
268720B
268760C
268730D
268750Question 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
OneB
FourC
ThreeD
TwoQuestion 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
8B
6C
5D
10