RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 2651
Arithmetic
A, B, C, D, E, F, and G are sitting around a circular table facing the centre. B sits third to the left of F. C sits second to the left of D. Only F sits between A and C. G is not an immediate neighbour of B. How many people sit between A and D when counted from the left of D?
A
OneB
FourC
TwoD
ThreeQuestion 2652
Arithmetic
Which of the following options is a final good in the context of Indian economy?
A
FlourB
BiscuitsC
SugarD
WheatQuestion 2653
Arithmetic
Which Article of the Constitution of India mentions the Fundamental Duty of defending the country and rendering national service when called upon to do so?
A
Article 51A (d)B
Article 51A (e)C
Article 51A (a)D
Article 51A (c)Question 2654
Arithmetic
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of :: ? #: KSB :: NVE : %
A
# = FUW, % = SAJB
# = FNW, % = SAJC
# = FNW, % = SAID
# = FNW, % = SUYQuestion 2655
Arithmetic
According to Airports Authority of India, which Indian airport was the busiest in terms of passenger traffic in Financial Year 2023-2024?
A
Kempegowda International Airport, BengaluruB
Rajiv Gandhi International Airport, HyderabadC
Chhatrapati Shivaji Maharaj International Airport, MumbaiD
Indira Gandhi International Airport, DelhiQuestion 2656
Arithmetic
Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (NOTE: All numbers are single digit numbers only.) (Left) 7 € 2 5 3 © 8 © 4 € 9 3 € 5 # % * 3 4 7 $ 1 (Right) How many such symbols are there each of which is immediately preceded by a number and also immediately followed by a number?
A
8B
5C
6D
7Question 2657
Arithmetic
In a certain code language, 'A + B' means 'A is the sister of B' 'A - B' means 'A is the father of B' 'A x B' means 'A is the daughter of B' 'A ÷ B' means 'A is the son of B' Based on the above, how is P related to T if 'P + Q - R - S x T'?
A
Daughter's husband's sisterB
Father's sisterC
Daughter-in-lawD
Sister's husband's motherQuestion 2658
Arithmetic
Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter cluster pair DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
A
MP - LKB
NP - KMC
KM - HJD
HJ - EGQuestion 2659
Arithmetic
In March 2021, what important decision did the Supreme Court of India make regarding disability rights?
A
It removed reservations for persons with disabilities.B
It banned all exams for persons with disabilities.C
It allowed only private companies to hire persons with disabilities.D
It said disability rights are a part of fundamental rights.Question 2660
Arithmetic
This question is based on the five, three-digit numbers given below. (Left) 617 335 930 459 571 (Right) (Example-697- First digit = 6, second digit = 9 and third digit = 7) (Note: All operations to be done from left to right.) What will be the resultant if the first digit of the highest number is added to the third digit of the lowest number?
A
13B
15C
17D
14Question 2661
Arithmetic
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::? #: QSO :: XZV: %
A
# = SFR, % = POSB
# = TVR, % = UWSC
# = SVR, % = UWUD
# = TUR, % = UETQuestion 2662
Arithmetic
Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. HMP : KON USQ : XUO
A
DLV : GNTB
KWZ : GSCC
DWP : JZID
BIO : FNKQuestion 2663
Arithmetic
Ramesh purchased (4x-3y) dolls from a shop at the rate of ₹ (x+y) per doll. Find the total money paid by Ramesh to the shopkeeper.
A
$(x^2-xy + 3y^2)$B
$(4x^2+xy-3y^2)$C
$(4x^2-xy + y^2)$D
$(x^2-xy + y^2)$Question 2664
Arithmetic
What should come in place of the question mark (?) in the given series? 428, 405, 372, ?, 276, 213
A
329B
229C
339D
319Question 2665
Arithmetic
A shopkeeper sold a book for ₹225 at a loss of 10%. At what price (in ₹) should he have to sell it to gain 24% on it?
A
310B
307C
311D
308Question 2666
Arithmetic
Foreign Direct Investment (FDI) is a key aspect of globalisation. What is a major benefit of FDI for developing countries like India?
A
Currency appreciationB
Increase in taxationC
Trade deficitsD
Access to technology and employmentQuestion 2667
Arithmetic
A group of numbers and symbols is coded using letter codes as per the codes given below and the conditions that follow. Study the given codes and conditions and answer the question that follows. Note: If none of the conditions apply, then codes for the respective number/symbol are to be followed directly as given in the table. Numb er/sym bol 5 2 3 4 $ & 6 @ # % + 8 9 7 Code A D F G H J K L Z X C V B M Conditions: If the first element is a symbol and the last a number, the codes for these two (the first and the last elements) are to be interchanged. If the first element is an odd number and the last an even number, the first and last elements are to be coded as $. If both second and third elements are perfect squares, the third element is to be coded as the code for the second element. What will be the code for the following group? 3 4 9 7
A
MGBFB
FGGMC
FGBMD
FBBMQuestion 2668
Arithmetic
Harappan trade relations extended to:
A
RomeB
PersiaC
MesopotamiaD
GreeceQuestion 2669
Arithmetic
Which of the following is a unit of the dimension 'length'?
A
JouleB
MetreC
AmpereD
KilogramQuestion 2670
Arithmetic
KX 3 is related to OV -9 in a certain way. In the same way, IR 11 is related to MP -1. To which of the given options is JG -2 related, following the same logic?
A
NE -14B
OE -14C
OF -13D
NF -15Question 2671
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 to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on on 1 and 3 is not allowed.) (36, 27, 41) (45, 36, 50)
A
(74, 65, 89)B
(53, 44, 58) C
(28, 19, 43)D
(61, 52, 56)Question 2672
Arithmetic
Which of the following features is NOT typical of the Thar Desert?
A
Shifting dunesB
Inland drainageC
OasesD
Dense evergreen forestsQuestion 2673
Arithmetic
The Red Shirt Movement, also known as Khudai Khidmatgar, was led by which Indian freedom fighter in the North-West Frontier Province?
A
Subhas Chandra BoseB
Khan Abdul Ghaffar KhanC
Maulana Abul Kalam AzadD
Madan Mohan MalviyaQuestion 2674
Arithmetic
How does the writ jurisdiction of the High Courts differ from that of the Supreme Court?
A
High Courts can issue writs only against state governments, not the Centre.B
High Courts can issue writs for purposes beyond Fundamental Rights, unlike the Supreme Court.C
High Courts can issue writs only in appellate cases, not in original jurisdiction.D
High Courts require prior approval from the Supreme Court before issuing writs.Question 2675
Arithmetic
Q, R, S, T, U, V and Y are sitting around a circular table facing the centre of the table. Y sits fourth to the left of S. R sits fourth to the right of T. Only two people sit between S and T when counted from the left of S. V is not an immediate neighbour of R or T. U is not an immediate neighbour of V. Who sits third to the right of Q?
A
YB
TC
UD
R