RRB NTPC 2021-05-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-05-01-2021-1 RRB Questions

21.
The addition to capital stock in an economy is measured by net investment or new capital formation, which is expressed as:
A.
Net investment = Gross investment + depreciation
B.
Depreciation = Net investment + Government investment
C.
Net investment = Gross investment - depreciation
D.
Government investment = Net investment - depreciation
😑 View Answer Rough Work
ANSWER :
C. Net investment = Gross investment - depreciation
22.

Which of the following is NOT a rational number?
\(\sqrt{3^2+4^2},\ \sqrt{12.96},\ \sqrt{125}\) and \(\sqrt{900}\)

A.

\(\sqrt{900}\)

B.

\(\sqrt{125}\)

C.

\(\sqrt{3^2+4^2}\)

D.

\(\sqrt{12.96}\)

😑 View Answer Rough Work
ANSWER :

B. \(\sqrt{125}\)

23.
Small bead-like structures inside the ovary of flowers is called:
A.
sepals
B.
petals
C.
stamen
D.
ovules
😑 View Answer Rough Work
ANSWER :
D. ovules
24.
Which of the following countries is a permanent member of the United Nations Security Council?
A.
Japan
B.
China
C.
Canada
D.
India
😑 View Answer Rough Work
ANSWER :
B. China
25.
If the denominator of a rational number is of the form 2^n5^m, where n and m are non-negative integers, then what will be the decimal expansion of the number?
A.
Non-terminating and non-recurring
B.
Non-terminating but recurring
C.
Terminating
D.
Can't be determined
😑 View Answer Rough Work
ANSWER :
C. Terminating
26.

What is the total surface area of the visible faces in the given figure?

A.

384 cm²

B.

905 cm²

C.

580 cm²

D.

1325 cm²

😑 View Answer Rough Work
ANSWER :

A. 384 cm²

27.
Which of the following is NOT an input device?
A.
Touch screen
B.
Plotter
C.
Light pen
D.
Track ball
😑 View Answer Rough Work
ANSWER :
B. Plotter
28.
Land which is left without cultivation for one or less than one agricultural year is known as:
A.
net sown area
B.
culturable waste land
C.
current fallow
D.
waste land
😑 View Answer Rough Work
ANSWER :
C. current fallow
29.
In a frequency distribution, the mid value of a class is 12 and its width is 6. The lower limit of the class is:
A.
12
B.
9
C.
6
D.
18
😑 View Answer Rough Work
ANSWER :
B. 9
30.
Which temple in Thanjavur has Chola architecture and was built by Emperor Rajaraja?
A.
Naganathaswamy Temple
B.
Brihadisvara Temple
C.
Lord Murugan Temple
D.
Thirumananjeri Temple
😑 View Answer Rough Work
ANSWER :
B. Brihadisvara Temple