RRB NTPC 2021-12-01-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-12-01-2021-1 RRB Questions

11.
LCM and HCF of two numbers are 1920 and 16 respectively. If one of the numbers is 240, then find the other number.
A.
128
B.
150
C.
182
D.
112
ANSWER :
A. 128
12.
Who invented the modern mercury thermometer with a standardised scale?
A.
Galileo Galilei
B.
Grand Duke
C.
Daniel Gabriel Fahrenheit
D.
Anders Celsius
ANSWER :
C. Daniel Gabriel Fahrenheit
13.

A can complete 25% of a task in 10 days. B can complete 40% of the task in 40 days and C can complete \( \frac{1}{3} \) of the task in 13 days. Who among them has the fastest speed to complete the same task?

A.

All have the same speed

B.

C

C.

A

D.

B

ANSWER :

B. C

14.
Shree Guru Nanak Dev ji was born in Rāi Bhoi Kī Talvaṇḍī (present day Nankana Sahib) in:
A.
1469
B.
1465
C.
1456
D.
1539
ANSWER :
A. 1469
15.
During which financial year was Jal Kranti Abhiyan launched by the Government of India?
A.
2003-2004
B.
2018-19
C.
2017-18
D.
2015-16
ANSWER :
D. 2015-16
16.
Which organisation has launched Samwad with students (SwS) as a part of its outreach programme on New Year Day, 2019?
A.
NCERT
B.
DRDO
C.
BARC
D.
ISRO
ANSWER :
D. ISRO
17.
The inner lining of the small intestine has numerous finger like projections that are called:
A.
villi
B.
tissues
C.
cells
D.
enzymes
ANSWER :
A. villi
18.
The present ages of Maya and Meera are in the ratio of 6 : 5 and after fifteen years the ratio will be 9 : 8. Meera's age is:
A.
30 years
B.
25 years
C.
20 years
D.
35 years
ANSWER :
B. 25 years
19.
In a certain code language, 'Car have wheels' is written as '@ mu #', 'Wheels are red' is written as 'Su bc mu', 'I have red car' is written as '7 @ Su #'. Which among the following is the code for 'Wheels car' in that language?
A.
# @
B.
mu Su
C.
Su #
D.
mu #
ANSWER :
D. mu #
20.
The perimeter of a rhombus is 120 m and the distance between any two parallel sides is 15 m. The area of the rhombus is:
A.
450 m²
B.
4.5 m²
C.
45 m²
D.
450 cm²
ANSWER :
A. 450 m²