RRB-NTPC 2016 Mathematics
Practice subject-wise previous year questions
Question 1351
Arithmetic
Based on the English alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not belong to that group? (Note: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster)
A
JMPB
ILNC
QTWD
HKNQuestion 1352
Arithmetic
In a certain code language, V @ I means ‘V is the husband of I', V + I means ‘V is the daughter of I', V x I means ‘V is the father of I', and V - I means ‘V is the mother of I'. Based on the above, how is K related to R, if ‘R + J @ K + C '?
A
BrotherB
SisterC
MotherD
SonQuestion 1353
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: All pigs are jackals. All pigs are cats. All elephants are cats. Conclusions: (I) All elephants are jackals. (II) Some cats are jackals.
A
Only conclusion (I) follows.B
Neither conclusion (I) nor (II) follows.C
Both conclusions (I) and (II) follow.D
Only conclusion (II) follows.Question 1354
Arithmetic
Which of the following is NOT an impact of globalisation on Indian economy?
A
Foreign direct investment (FDI) has been liberalisedB
Foreign institutional investments are made more restrictive for stability of the economyC
Two stage devaluation of the rupee by about twenty percent in July, 1991D
Introduction of a system of partial convertibility of the rupeeQuestion 1355
Arithmetic
Below are given two sets of numbers. In each set of numbers, a certain mathematical operation on the first number results in the second number. Similarly, a certain mathematical operation on the second number results in the third number, and so on. Which of the given options follows the same set of operations as in the question? (NOTE: A two-/three-digit number cannot be broken into individual digits for operations, e.g. if 37 is followed by 10, the operation cannot be 3 + 7, as a two-digit number cannot be broken into individual digits.) 50 – 10 – 5 – 15 ; 200 – 40 – 20 – 30
A
160 – 40 – 20 – 30B
120 – 60 – 30 – 40C
100 – 20 – 40 – 60D
400 – 80 – 40 – 50Question 1356
Arithmetic
Seven people F, G, H, I, V, W, and X are sitting around a circular table facing the centre of the table. I sits third to the right of G. Only two people sit between I and F. Only two people sit between G and V. H sits to the immediate left of W. Who sits fourth to the left of X?
A
HB
IC
WD
FQuestion 1357
Arithmetic
Who was the first Portuguese Governor to implement the "Blue Water Policy" in India?
A
Alfonso de AlbuquerqueB
Vasco da GamaC
Francisco de AlmeidaD
Pedro Álvares CabralQuestion 1358
Arithmetic
During 1991–92 to 1998–99, which industrial sector showed a clear decline in the average annual growth according to the Index of Industrial Production (IIP)?
A
Basic and Capital GoodsB
Electricity and UtilitiesC
Mining and QuarryingD
Manufacturing and EngineeringQuestion 1359
Arithmetic
What is the mean of the following distribution? Marks 11 34 51 62 98 No. of Students 57 23 95 14 96
A
64B
79C
58D
44Question 1360
Arithmetic
In December 2025, which organization hosted the national stakeholder consultation on the High Seas Treaty (BBNJ) in Kochi, India?
A
Central Marine Fisheries Research InstituteB
Ministry of Environment, Forest and Climate ChangeC
Food and Agriculture OrganizationD
Indian Council of Agricultural ResearchQuestion 1361
Arithmetic
According to the NIRF Rankings 2025 released in September 2025, which institute secured the top overall position?
A
AIIMS DelhiB
IISc BengaluruC
IIT MadrasD
IIT BombayQuestion 1362
Arithmetic
If the standard deviation of 11, 13, 15, 17,...., 71 is m, then find the integral part of m.
A
16B
13C
17D
18Question 1363
Arithmetic
A train of length 120 m travelling at 60 km/hr crosses another train travelling in the same direction at 24 km/hr in 30 seconds. What is the length (in m) of another train?
A
250B
200C
225D
180Question 1364
Arithmetic
Arvind starts from Point A and drives 25 km towards east. He then takes a right turn, drives 10 km, turns left and drives 20 km. He then takes a left turn and drives 10 km. He takes a final left turn, drives 12 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
20 km towards northB
33 km towards westC
25 km towards eastD
10 km towards southQuestion 1365
Arithmetic
A, B, C, D, 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. B lives on a floor which is a prime number. The product of the floors on which B and F live is 3. Only 2 people live above C. A lives immediately below E. How many people live above A?
A
ThreeB
TwoC
OneD
FourQuestion 1366
Arithmetic
Harishika bought an article for ₹200 and sold it to Ritu at a loss of 30%. With this amount, Harishika bought another article and sold it at a gain of 75%. What is Harishika's overall gain percentage?
A
17.50%B
19.40%C
22.50%D
24.50%Question 1367
Arithmetic
Which award did Pandit Hariprasad Chaurasia receive in 1992 for his contribution to Indian music?
A
Maharashtra Gaurav PuraskarB
Padma BhushanC
Padma ShriD
Padma VibhushanQuestion 1368
Arithmetic
Which of the following statements about ASCII is correct?
A
ASCII is a high-capacity optical disk formatB
ASCII is a type of local area networkC
ASCII represents characters using numeric codesD
ASCII is used to store audio on a CDQuestion 1369
Arithmetic
_______ is the SI unit used for measuring thermodynamic temperature.
A
KelvinB
CelsiusC
FahrenheitD
RankineQuestion 1370
Arithmetic
The population of a village was 2,90,000. It increased by 10% in the first year and increased by 30% in the second year. Its population after two years is _______.
A
3,19,000B
3,77,000C
4,14,700D
4,06,000Question 1371
Arithmetic
Bhimbetka Paleolithic site is located near which river valley of India?
A
YamunaB
NarmadaC
GangaD
SatlujQuestion 1372
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: All herbs are plant. Some plants are medicines. No medicine is a chemical. Conclusions: (I) No herb is a chemical. (II) Some medicines are herbs.
A
Neither conclusion (I) nor (II) follows.B
Both conclusions (I) and (II) follow.C
Only conclusion (II) follows.D
Only conclusion (I) follows.Question 1373
Arithmetic
Article 243V of the Indian Constitution applies to disqualification for membership in which type of body?
A
PanchayatsB
District CouncilC
State LegislatureD
MunicipalityQuestion 1374
Arithmetic
Refer to the following letter, symbol series and answer the question. Counting to be done from left to right only. (Left) A # G % C = + F * / D H : B - ? $ E ! I J (Right) How many such symbols are there, each of which is immediately preceded by a symbol and also immediately followed by another letter?
A
FOURB
THREEC
TWOD
ONEQuestion 1375
Arithmetic
In December 2025, which advanced brain stent was successfully trialed by AIIMS Delhi under the GRASSROOT trial?
A
Vikram-IB
Supernova stentC
OncoMarkD
da Vinci