RRB-NTPC 2016 Mathematics
Practice subject-wise previous year questions
Question 1026
Arithmetic
What action did the Supreme Court take regarding mining near national parks and wildlife sanctuaries on November 13, 2025?
A
Reduced protection area to 0.5 kmB
Banned mining activities within one kmC
Permitted mining with restrictionsD
Allowed mining activities anywhereQuestion 1027
Arithmetic
In a certain code language, 'LITE' is coded as '1527' and 'EDIT' is coded as '5124'. What is the code for 'D' in the given code language?
A
4B
5C
1D
2Question 1028
Arithmetic
The 68th annual Grammy Awards conducted on 1 February 2016, in Los Angeles, honoured which of the following performers as Best New Artist?
A
Leon ThomasB
Addison RaeC
Lola YoungD
Olivia DeanQuestion 1029
Arithmetic
A tank is filled by three pipes, P, Q and R, with uniform flow. The first two pipes P and Q, operating simultaneously, fill the tank in the same amount of time that it takes for the tank to be filled by pipe R alone. Pipe Q fills the tank 15 hours faster than the first pipe and 12 hours slower than pipe R. What is the time required by pipe P to fill the tank?
A
32 hoursB
45 hoursC
25 hoursD
47 hoursQuestion 1030
Arithmetic
If the Government of India revokes the citizenship of an individual for acting against the interests of the country, which constitutional or statutory provision empowers it to do so?
A
Section 6A of the Citizenship Act, 1955B
Section 10 of the Citizenship Act, 1955C
Article 5 of the ConstitutionD
Article 11 of the ConstitutionQuestion 1031
Arithmetic
What is the ratio between fourth proportional of 10, 80, 30 and fourth proportional of 7, 28, 19?
A
29:26B
30:19C
10:70D
60:19Question 1032
Arithmetic
Which provision in Part II of the Constitution defines one basis for citizenship at the commencement, specifically that the person's either parent was born in India?
A
Article 8B
Article 9C
Article 6D
Article 5Question 1033
Arithmetic
What did the Tax Reforms Committee recommend for Wealth Tax in 1991?
A
rationalisation of property taxB
abolition of wealth taxC
restructuring of estate dutyD
removal of gift taxQuestion 1034
Arithmetic
Unlike humans, a computer does not feel tired or bored while repeating the same task all day. This shows which characteristic?
A
DiligenceB
IntelligenceC
VersatilityD
SpeedQuestion 1035
Arithmetic
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements. Statements: No elephant is a horse. No horse is a donkey. No horse is a turtle. Conclusions: (I) No elephant is a donkey. (II) Some turtles are donkeys.
A
Neither conclusion (I) nor (II) follows.B
Only conclusion (I) follows.C
Only conclusion (II) follows.D
Both conclusions (I) and (II) follow.Question 1036
Arithmetic
FIBA is related to EJAB in a certain way based on the English alphabetical order. In the same way, ZELU is related to YFKV. To which of the following is COIS related, following the same logic?
A
BQJVB
BQGSC
BOMSD
BPHTQuestion 1037
Arithmetic
D, E, F, G, S, T and U are sitting around a circular table facing the centre. T sits to the immediate left of S. U sits to the immediate left of D. D sits second to the left of G. E sits third to the left of S. Who sits fourth to the right of F?
A
SB
GC
DD
TQuestion 1038
Arithmetic
Amir Khusrau, the famous historian, said about a particular language that 'common people do not know it, only the Brahmanas do'. Which of the following languages did the historian talk about?
A
PalliB
SanskritC
UrduD
HinduQuestion 1039
Arithmetic
What is the key difference between extensive and intensive farming systems?
A
Irrigation usedB
Size of seedC
Machinery typeD
Production per land unitQuestion 1040
Arithmetic
Which significant milestone did the Ministry of Environment, Forest and Climate Change announce on World Environment Day 2025 regarding pollution?
A
Ban on all single-use plastics nationwideB
Elimination of non-attainment citiesC
Closure of coal plantsD
Launch of “One Nation, One Mission: End Plastic Pollution”Question 1041
Arithmetic
Which layer of the Earth plays the primary role in generating the planet's magnetic field?
A
MantleB
Outer coreC
CrustD
Inner coreQuestion 1042
Arithmetic
The population of a village was 2,90,000. It increased by 15% in the first year and increased by 25% in the second year. Its population after two years is _______.
A
3,33,500B
3,62,500C
4,16,875D
4,06,000Question 1043
Arithmetic
The first E-Lok Adalat was held in which year in India?
A
2016B
2020C
2012D
2014Question 1044
Arithmetic
P, Q, R, S, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. E lives on floor number 4. Only two people live between E and R. Only P lives between E and Q. S lives immediately below E. Who lives on floor number 2?
A
SB
QC
RD
FQuestion 1045
Arithmetic
If '+' means '−', '−' means '×', '×' means '÷', '÷' means '+', then what will come in place of the question mark (?) in the following equation? 57 − 7 ÷ 119 + 288 × 2 = ?
A
345B
311C
329D
374Question 1046
Arithmetic
20% of a number is more than 20% of 620 by 170. The number is:
A
1470B
1520C
1320D
1570Question 1047
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. P has the exam on Wednesday. Only three people have exams after R. S has the exam after Q but before P. U has the exam before V but not on Friday. How many people have exams between T and Q?
A
TwoB
ThreeC
OneD
FourQuestion 1048
Arithmetic
Each of the digits in the number 4568923 is arranged in ascending order from left to right. The position of how many digits will remain unchanged as compared to that in the original number?
A
TwoB
OneC
ThreeD
NoneQuestion 1049
Arithmetic
The mean of 80 numbers was found to be 49. If at the time of calculation, two numbers were incorrectly taken as 69 and 74 instead of 92 and 83, then the correct mean is _____.
A
48.5B
49C
49.4D
46.2Question 1050
Arithmetic
Which AI-powered diagnostic model, unveiled by Indian scientists in 2025, analyses cancer at the molecular level to improve classification and treatment outcomes?
A
OncoMark AI-powered cancer diagnostic modelB
GeneMap advanced molecular oncology platformC
BioScan AI-based tumour classification modelD
TumourTrack intelligent cancer analysis system