RRB NTPC 2021-01-02-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-01-02-2021-1 RRB Questions

1.
R $ S' means that R is the brother of S.
'R @ S' means R is the wife of S.
'R # S' means R is the daughter of S.
'R > S' means R is the father of S.
Based on the above, which option indicates that D is the father-in-law of A?
A.
A@B $ E > C # D
B.
A@B $ C # D > E
C.
A@B $ C # E > D
D.
A@E $ B > C # D
😑 View Answer Rough Work
ANSWER :
B. A@B $ C # D > E
2.
In a farmer's house, there are Chickens and goats. The total number of their heads is 42 and the total number of their legs is 138. Find the number of Chickens.
A.
22
B.
18
C.
15
D.
20
😑 View Answer Rough Work
ANSWER :
C. 15
3.
Find the smallest of three positive numbers if the numbers are in ratio of 3 : 7 : 8 and sum of their squares is 7808.
A.
36
B.
24
C.
27
D.
30
😑 View Answer Rough Work
ANSWER :
B. 24
4.
Who among the following created history by becoming the first girl student of the Indian Institute of Technology - Madras (IIT-M) to win the President of India Prize 2019?
A.
Kavitha Gopal
B.
Kalli Purie
C.
Payal Jangid
D.
Kavitha Swaminathan
😑 View Answer Rough Work
ANSWER :
A. Kavitha Gopal
5.
Three of the four given options are alike in some manner. Select the odd one out.
Cotton, Nylon, Silk, Cashmere
A.
Cotton
B.
Silk
C.
Cashmere
D.
Nylon
😑 View Answer Rough Work
ANSWER :
D. Nylon
6.
In which of the following cities is the Charminar situated?
A.
Bangalore
B.
Hyderabad
C.
Kanpur
D.
New Delhi
😑 View Answer Rough Work
ANSWER :
B. Hyderabad
7.
In which year did Gandhiji begin a defiant march to the sea to protest against the British monopoly on salt?
A.
1929
B.
1928
C.
1927
D.
1930
😑 View Answer Rough Work
ANSWER :
D. 1930
8.

If sin(A - B) = \( \frac{1}{2} \) and cos(A + B) = \( \frac{1}{2} \) with 0° < (A + B) ≤ 90°, A > B, then find the measure of A and B.

A.

35°, 15°

B.

45°, 15°

C.

40°, 35°

D.

25°, 20°

😑 View Answer Rough Work
ANSWER :

B. 45°, 15°

9.
Who is considered to be the Father of Modern Computers?
A.
James Gosling
B.
Alan Turing
C.
Charles Babbage
D.
Gordon E Moore
😑 View Answer Rough Work
ANSWER :
B. Alan Turing
10.

If the numerator of a fraction is increased by 30% and its denominator is decreased by 35%, the value of the fraction becomes \( \frac{3}{15} \). Find the original fraction.

A.

\( \frac{3}{10} \)

B.

\( \frac{1}{5} \)

C.

\( \frac{1}{10} \)

D.

\( \frac{3}{5} \)

😑 View Answer Rough Work
ANSWER :

C.\( \frac{1}{10} \)