RRB NTPC 2021-08-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-08-01-2021-1 RRB Questions

41.

The difference between the fractions 5 minutes of an hour and 20 seconds of an hour is:

A.

\( \frac{0.7}{9} \)

B.

\( \frac{7}{12} \)

C.

\( \frac{16}{180} \)

D.

\( \frac{28}{270} \)

ANSWER :

A. \( \frac{0.7}{9} \)

42.
Who invented 'www'?
A.
Robert E. Kahn
B.
Charles babbage
C.
Vint Cerf
D.
Tim Berners-Lee
ANSWER :
D. Tim Berners-Lee
43.

In a school the ratio of the number of boys and girls is 5:6. 20% boys and 25% girls are scholarship holders. How many students did not get a scholarship?

A.

\( \frac{750}{11} \)%

B.

\( \frac{950}{11} \)%

C.

\( \frac{850}{11} \)%

D.

\( \frac{8000}{11} \)%

ANSWER :

C.\( \frac{850}{11} \)%

44.
If DO is coded as 60 and SO is coded as 285, then which of the following will be the code for RED?
A.
360
B.
27
C.
94
D.
299
ANSWER :
A. 360
45.
The product of any two even consecutive numbers is always divisible by:
A.
8
B.
6
C.
12
D.
16
ANSWER :
A. 8
46.
If −5 is a root of the quadratic equation 2x² + px − 15 = 0 and also of the quadratic equation p(kx² + x) = 0, then what are the values of p and k?
A.
7, 0.2
B.
7, −0.2
C.
−7, 0.4
D.
−7, −0.2
ANSWER :
A. 7, 0.2
47.
Which Bollywood celebrity has collaborated with the famous American talk show host, David Letterman for Netflix?
A.
Amitabh Bachchan
B.
Salman Khan
C.
Shahrukh Khan
D.
Anil Kapoor
ANSWER :
C. Shahrukh Khan
48.
Introducing Deveshi to the guests, Ashish said, "Her father is the only son of my paternal grandfather's only son". How is Ashish related to Deveshi?
A.
Brother
B.
Maternal uncle
C.
Father
D.
Grandfather
ANSWER :
C. Father
49.
Rahim invested a certain sum at 5% simple interest for 3 years. His friend Hiralal invested the same sum for 2 years at 7% simple interest. Rahim got ₹30 more interest than Hiralal. What was the amount invested by them?
A.
₹3,000.00
B.
₹2,000.00
C.
₹5,000.00
D.
₹7,000.00
ANSWER :
A. ₹3,000.00
50.

The area of triangle ABC is 39 cm². D and E are two points on BC such that BD = DE = EC, then what is the area of triangle ADC?

A.

26 cm²

B.

\( \frac{9}{4} \) cm²

C.

13 cm²

D.

52 cm²

ANSWER :

A. 26 cm²