RRB-NTPC 2016 Mathematics
Practice subject-wise previous year questions
Question 1251
Arithmetic
Find the solution (x, y, z) for the following system of equations: x- y+ z = 2 ; 2x - y- z = -6 ; 2x + 2y + z= -3
A
(-2, -1, 3)B
(2, -1, 3)C
(-2, -1, -3)D
(-2, 1, 3)Question 1252
Arithmetic
In MS-Excel, if cells A1, A2 and A3 contain the values 2, 3 and 2 respectively, what is the result of the formula =A1*A2 + A2/A3?
A
6B
9C
7.5D
8Question 1253
Arithmetic
Which of the following is a correct definition of the word 'tributary'?
A
A river flowing into a larger riverB
A body of salty water mixing with river waterC
A lake at the rivers mouthD
A river branching away from anotherQuestion 1254
Arithmetic
Which Bill, assented to by the President of India in 2025, consolidates civil nuclear laws and allows private sector participation?
A
National Policy for Nuclear Energy Expansion with Private Participation BillB
Civil Nuclear Governance and Private Sector Participation Framework BillC
Atomic Energy Reform and Private Participation in Nuclear Power BillD
Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India (SHANTI) BillQuestion 1255
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.) (252, 80, 172) (170, 55, 115)
A
(212, 72, 130)B
(195, 95, 100)C
(180, 53, 137)D
(236, 105, 141)Question 1256
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 phones are mobiles. No mobile is a pager. No mobile is a walkie-talkie. Conclusions: (I) No phone is a pager. (II) Some walkie-talkies are pagers.
A
Only conclusion (II) follows.B
Neither conclusion (I) nor (II) follows.C
Only conclusion (I) follows.D
Both conclusions (I) and (II) follow.Question 1257
Arithmetic
Which international agreement did India reaffirm its commitment to during the 2025 climate summit?
A
Paris AgreementB
Kyoto ProtocolC
Basel ConventionD
Montreal ProtocolQuestion 1258
Arithmetic
Which wildlife sanctuary in Madhya Pradesh was announced in October 2025 to be developed as the third cheetah habitat in the state?
A
Kuno National ParkB
Gandhi Sagar Wildlife SanctuaryC
Nauradehi Wildlife SanctuaryD
Madhav National ParkQuestion 1259
Arithmetic
When was the Pradhan Mantri Gram Sadak Yojna launched?
A
1991B
2008C
2014D
2000Question 1260
Arithmetic
Siddharth, Lata, and Vivek invest ₹1570, ₹1760, and ₹1620 respectively to start a business. If the profit at the end of the year is ₹1540, then what is the share of Vivek in the profit?
A
₹503B
₹501C
₹504D
₹506Question 1261
Arithmetic
Which of the following is a legislative reform aimed at modernizing India’s aviation sector by re-enacting the Aircraft Act, 1934, in alignment with contemporary needs and global standards?
A
The Carriage by Air (Amendment) Act, 2022B
Bharatiya Vayuyan Adhiniyam, 2024C
Aircraft (Security) Rules, 2020 & Amendments (2022)D
Protection of Interests in Aircraft Objects Act, 2023Question 1262
Arithmetic
In 2025, India was re-elected to the Council of which organization for the 2016–27 term under Category B?
A
International Civil Aviation OrganizationB
World Trade OrganizationC
International Seabed AuthorityD
International Maritime Organization (IMO)Question 1263
Arithmetic
J, K, L, R, S and T live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on till the topmost floor is numbered 6. Only two people live between R and J. Only two people live between T and K. No one lives above T. J lives below K but above S. How many people live below L?
A
OneB
ThreeC
TwoD
FourQuestion 1264
Arithmetic
A person born in India between 26 January 1950 and 1 July 1987 is automatically considered a citizen of India by:
A
descentB
naturalisationC
registrationD
birthQuestion 1265
Arithmetic
DUMB is related to FXOE in a certain way based on the English alphabetical order. In the same way, LGUN is related to NJWQ. To which of the following options is RPAW related, following the same logic?
A
TCXSB
TZCSC
TCDSD
TSCZQuestion 1266
Arithmetic
Consider the following statements. 1. As per Article 167, it is the duty of the Chief Minister to communicate to the Governor all decisions of the Council of Ministers. 2. Article 165 states that the Governor administers the oaths of office and secrecy to ministers. 3. Article 163 provides for a Council of Ministers headed by the Chief Minister to aid and advise the Governor, except in discretionary matters. Which of the above statements are correct?
A
1, 2 and 3B
1 and 2 onlyC
2 and 3 onlyD
1 and 3 onlyQuestion 1267
Arithmetic
Seven boxes P, Q, R, S, T, U and V are kept one over the other but not necessarily in the same order. No box is kept above U. Only three boxes are kept between U and P. Only one box is kept between R and T. T is kept immediately above P. Only four boxes are kept between R and V. Q is kept at some place above S. How many boxes are kept between S and U?
A
3B
2C
4D
1Question 1268
Arithmetic
Which of the following is the most significant source of nutrient pollution leading to eutrophication in freshwater bodies?
A
Industrial effluentsB
Agricultural runoffC
Sewage dischargeD
Urban stormwaterQuestion 1269
Arithmetic
Which award is recognized as the highest honour in Indian cinema, presented to Mohanlal in September 2025?
A
National Award for Best ActorB
Padma BhushanC
Dadasaheb Phalke AwardD
Filmfare Lifetime Achievement AwardQuestion 1270
Arithmetic
Seven boxes, A, B, C, D, E, F and G, are kept one over the other but not necessarily in the same order. Only two boxes are kept below B. Only one box is kept above G. Only one box is kept between G and A. C is kept immediately above F. E is kept at some place below D. How many boxes are kept below E?
A
5B
2C
4D
3Question 1271
Arithmetic
The average weight of a group of 10 students is 50 kg. If the weight of the teacher is also included, the average weight increases by 1 kg. What is the teacher’s weight?
A
59 kgB
61 kgC
60 kgD
58 kgQuestion 1272
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 conclusions logically follow(s) from the statements. Statements: All heaters are fans. Some heaters are lights. No heater is a bulb. Conclusions: (I) Some fans are lights. (II) No bulb is a heater.
A
Neither conclusion (I) nor (II) followsB
Only conclusion (I) followsC
Both conclusions (I) and (II) followD
Only conclusion (II) followsQuestion 1273
Arithmetic
A, B, C, D, E, F and G are sitting around a circular table facing the centre. Only one person sits between G and C when counted from the left of C. E sits third to the right of A. F sits third to the left of D. E sits to the immediate right of F. B is not an immediate neighbour of F. Who sits third to the right of G?
A
FB
BC
DD
EQuestion 1274
Arithmetic
Which of the following processes is/are primarily responsible for the formation of fold mountains such as the Himalayas?
A
Wind depositionB
Erosion by riversC
Plate collisionD
Volcanic eruptionsQuestion 1275
Arithmetic
Which Article of the Directive Principles of State Policy enshrines the principle of equal pay for equal work for both men and women in India?
A
Article 39B
Article 44C
Article 43D
Article 41