RRB NTPC 2021-08-04-2021-2 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-08-04-2021-2 RRB Questions

41.
An article is sold to Mr. X at a profit of 20%. Mr. X sells it to Mr. Y at a profit of 25%. If Mr. Y pays ₹225 for the article, then what was the cost price for the original seller?
A.
₹275
B.
₹200
C.
₹250
D.
₹150
😑 View Answer Rough Work
ANSWER :
D. ₹150
42.
Two cars leave city A at 8:30 am and 8:45 am respectively for city B. The cars move at a speed of 45 km/h and 54 km/h respectively. How many kilometers away from city A will the two cars be together?
A.
67.5
B.
45
C.
40.5
D.
55.2
😑 View Answer Rough Work
ANSWER :
A. 67.5
43.

\( \frac{3}{5} \) of a number is 10 more than \( \frac{1}{2} \) of the second number. If 8 is subtracted from\( \frac{3}{7} \) of the first number, then it becomes 4 less than \( \frac{1}{2} \) of the second number. What is the sum of the two numbers?

A.

56

B.

55

C.

54

D.

57

😑 View Answer Rough Work
ANSWER :

D. 57

44.
Permanent hardness of water can be removed by adding ______.
A.
Washing Soda
B.
Potassium Permanganate
C.
Bleaching Powder
D.
Chlorine
😑 View Answer Rough Work
ANSWER :
A. Washing Soda
45.
Ram and Shyam can complete a work in 12 and 18 days respectively. They worked together and received ₹15,000 for doing the work. How much money did they receive individually?
A.
Ram = ₹6,000 and Shyam = ₹9,000
B.
Ram = ₹9,000 and Shyam = ₹6,000
C.
Ram = ₹10,000 and Shyam = ₹5,000
D.
Ram = ₹7,000 and Shyam = ₹8,000
😑 View Answer Rough Work
ANSWER :
B. Ram = ₹9,000 and Shyam = ₹6,000
46.

In the given figure, AB and CD are parallel lines. O is a point such that angle CDO = 70° and angle DOB = 100°. Find angle ABO.

A.

80°

B.

50°

C.

30°

D.

60°

😑 View Answer Rough Work
ANSWER :

C. 30°

47.
A fence is constructed along the diagonal of a square field. What is the length of the fence (in km) if the area of the square field is 2 km²?
A.
2
B.
5
C.
4
D.
3
😑 View Answer Rough Work
ANSWER :
A. 2
48.
Sleeping sickness is caused by:
A.
Mosquito
B.
Sand Fly
C.
Tsetse Fly
D.
House fly
😑 View Answer Rough Work
ANSWER :
C. Tsetse Fly
49.
Who among the following is considered as the first Law Officer of Government of India?
A.
Chief Justice of India
B.
Solicitor-General
C.
Attorney-General
D.
Senior most Advocate of Supreme Court
😑 View Answer Rough Work
ANSWER :
C. Attorney-General
50.

Select the Venn diagram that best represents the relationship between the given set of classes.
Blood, Skeleton, Bones

A.

B.

C.

D.

😑 View Answer Rough Work
ANSWER :

A.