RRB NTPC 2021-22-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-22-01-2021-1 RRB Questions

31.
By selling articles at ₹31, a shopkeeper losses 7%. What will the profit percentage be when he sells the same article at ₹35?
A.
4%
B.
5%
C.
7%
D.
6%
😑 View Answer Rough Work
ANSWER :
B. 5%
32.

Study the given pattern carefully and select the number from among the given options that can replace the question mark (?). 

A.

190

B.

808

C.

910

D.

901

😑 View Answer Rough Work
ANSWER :

C. 910

33.
The diameters of the bases of two cones are equal. If their slant heights are in the ratio of 3 : 4, then what will the ratio of their curved surface areas be?
A.
9 : 16
B.
4 : 3
C.
16 : 9
D.
3 : 4
😑 View Answer Rough Work
ANSWER :
D. 3 : 4
34.
__________ refers to unsolicited commercial emails that flood the Internet.
A.
Spyware
B.
Trojan Horse
C.
Malware
D.
Spam
😑 View Answer Rough Work
ANSWER :
D. Spam
35.

Which of the following has terminal decimal representation?

A.

\( \frac{2}{7} \)

B.

\( \frac{2}{5} \)

C.

\( \frac{2}{3} \)

D.

\( \frac{2}{9} \)

😑 View Answer Rough Work
ANSWER :

B. \( \frac{2}{5} \)

36.
If the arithmetic mean of 16, 18, 15, 17, p and 14 is 17, then the value of p is:
A.
23
B.
22
C.
21
D.
24
😑 View Answer Rough Work
ANSWER :
B. 22
37.
Which great freedom fighter was known as Deshbandhu?
A.
Chittaranjan Das
B.
Aurobindo Ghosh
C.
Gopal Krishna Gokhale
D.
Bal Gangadhar Tilak
😑 View Answer Rough Work
ANSWER :
A. Chittaranjan Das
38.
The diameter of a hemisphere is 7 cm. What will its total surface area be?
A.
154 cm²
B.
105.50 cm²
C.
77 cm²
D.
115.50 cm²
😑 View Answer Rough Work
ANSWER :
D. 115.50 cm²
39.

The roots of the equation y² - \(\sqrt{5}\) y - y + \(\sqrt{5}\) = 0 are:

A.

\(\sqrt{5}\); -1

B.

\(\sqrt{5}\); 1

C.

-\(\sqrt{5}\); -1

D.

-\(\sqrt{5}\); 1

😑 View Answer Rough Work
ANSWER :

B\(\sqrt{5}\); 1

40.

Four options are given below, of which three are similar in a certain manner while one is different from the rest. Find the odd one.

A.

\(\sqrt{3}\)

B.

\(\sqrt{5}\)

C.

\(\sqrt{7}\)

D.

\(\sqrt{9}\)

😑 View Answer Rough Work
ANSWER :

D. \(\sqrt{9}\)