RRB NTPC 2021-07-04-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-07-04-2021-2 RRB Questions

1.
Histogram is used to find:
A.
arithmetic mean graphically
B.
Median, mode and mean graphically
C.
median graphically
D.
mode graphically
ANSWER :
D. mode graphically
2.
Who was the first Indian to win the Pulitzer Prize?
A.
Siddhartha Mukherjee
B.
Geeta Anand
C.
Jhumpa Lahiri
D.
Gobind Behari Lal
ANSWER :
D. Gobind Behari Lal
3.
Kumar lent an amount to Arif at a simple interest rate of 10% p.a. for 3 years, and Arif lent this amount to Naresh at a simple interest rate of 20% p.a. for 3 years. If the interest Arif received was ₹1,560 after 3 years, then what was the amount that Kumar had lent to Arif?
A.
₹6,200
B.
₹5,600
C.
₹5,400
D.
₹5,200
ANSWER :
D. ₹5,200
4.
The ratio of the sums of money Arun and Ahaan had is 9 : 5. If Arun gives ₹12 from his share to Ahaan, then the ratio will change to 4 : 3. How much money did Arun have initially?
A.
₹90
B.
₹144
C.
₹108
D.
₹126
ANSWER :
C. ₹108
5.
The area of a rectangle with a length of 121 m is the same as that of a square with a side of 44 m. Find the width of the rectangle.
A.
17 m
B.
14 m
C.
15 m
D.
16 m
ANSWER :
D. 16 m
6.
ROM is composed of:
A.
semiconductors
B.
photoelectric cells
C.
integrated circuits
D.
magnetic tapes
ANSWER :
C. integrated circuits
7.
Global weather forecasting is done using:
A.
supercomputers
B.
minicomputers
C.
hybrid computers
D.
microcomputers
ANSWER :
A. supercomputers
8.
ENIAC, the first general-purpose electronic computer, stands for:
A.
Electronic Numerical Integrator and Computer
B.
Electronic Network Interactive Analytic Computer
C.
Electronic Network Integrated Analytical Computer
D.
Electronic Numerical Integrated Automatic Computer
ANSWER :
A. Electronic Numerical Integrator and Computer
9.
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:
Some boys are horses.
Some horses are flowers.
Conclusions:
I. Some boys are flowers.
II. No flower is a horse.
A.
Only conclusion II follows.
B.
Only conclusion I follows.
C.
Both I and II follow.
D.
Neither I nor II follows.
ANSWER :
D. Neither I nor II follows.
10.
The number of balls of radius 2 cm that can be made from a solid sphere of radius 4 cm is:
A.
36
B.
64
C.
8
D.
16
ANSWER :
C. 8