RRB NTPC 2021-27-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-27-03-2021-1 RRB Questions

21.
Seven boys B1, B2, B3, B4, B5, B6, and B7 are sitting in a row facing towards south (not necessarily in the same order). B7 is not the neighbour of B1. B3 is to the immediate right of B4 but is not the neighbour of B5. B2 sits at one of the extreme ends and is the neighbour of B4. Only two boys sit between B1 and B5.
Which of the following position of B6 is correct?
A.
Immediate right of B1
B.
Immediate right of B7
C.
Second to the right of B5
D.
Second to the left of B3
ANSWER :
A. Immediate right of B1
22.

If X = \(\sqrt{1+\frac{\sqrt{3}}{2}}\) + \(\sqrt{1-\frac{\sqrt{3}}{2}}\) then the simplified value of X will be:

A.

\(\sqrt{3}\)

B.

\( \frac{1}{2} \)

C.

1

D.

-\(\sqrt{3}\)

ANSWER :

A. \(\sqrt{3}\)

23.
Which of the following satellites of ISRO is an experimental satellite?
A.
YOUTHSAT
B.
RESOURCESAT – I
C.
SCATSAT – I
D.
RISAT – I
ANSWER :
A. YOUTHSAT
24.
Which of the following minerals is contained in bauxite, a clay like substance?
A.
Coal
B.
Aluminium
C.
Iron
D.
Thorium
ANSWER :
B. Aluminium
25.
Seven friends P, Q, R, S, T, V and W are sitting around a circular table facing towards centre (not necessarily in the same order). R sits to the immediate left of W and third to the left of P. Only two friends sit between P and S. Q sits to the immediate left of V.
What is the position of T with respect to S?
A.
Second to the right
B.
Third to the right
C.
Fourth to the right
D.
Third to the left
ANSWER :
B. Third to the right
26.
Rashmi Samant is the first Indian woman to occupy the position of president of _____ Student Union in Feb, 2021.
A.
Westminster
B.
Oxford
C.
Cambridge
D.
Cardiff
ANSWER :
B. Oxford
27.
What is the least number which is a perfect square and contains 3675 as its factor?
A.
11025
B.
11055
C.
11045
D.
11035
ANSWER :
A. 11025
28.
Who was the second person who joined individual satyagraha movement in 1940?
A.
Vinoba Bhave
B.
Jawahar Lal Nehru
C.
Subhash Chandra Bose
D.
Muhammad Ali Jinnah
ANSWER :
B. Jawahar Lal Nehru
29.
The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each saves ₹2,000, what will be the difference between their incomes?
A.
₹4,000
B.
₹6,000
C.
₹5,000
D.
₹8,000
ANSWER :
A. ₹4,000
30.
The book 'A Brief History of Time' has been written by:
A.
Satyendranath Bose
B.
J.V.Narlikar
C.
C.V. Raman
D.
Stephen Hawking
ANSWER :
D. Stephen Hawking