SSC CHSL 2021-04.08.2021-3 SSC Question Paper

SSC CHSL 2021 Question Papers

SSC CHSL 2021-04.08.2021-3 SSC Questions

61.
A can complete a certain work in 30 days. He started the work. After 4 days, B joined him and the whole work was completed in 10 days from the beginning. B alone can complete one-third of the same work in:
A.
6 days
B.
3 days
C.
4 days
D.
2 days
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ANSWER :
B. 3 days
62.

If the difference between the compound interest compounded annually and the simple interest on a certain sum of money for three years at 10% per annum is ₹279, then the sum (in ₹) is:

A.

10,000

B.

8,000

C.

7,500

D.

9,000

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ANSWER :

D. 9,000

63.

In â–³ABC, ∠A = 90°, AB = 20 cm and BC = 29 cm. What is the value of (sin B − cot C) ?

A.

\(-\frac{9}{29}\)

B.

\(-\frac{189}{580}\)

C.

\(\frac{189}{580}\)

D.

\(\frac{9}{29}\)

😑 View Answer Rough Work
ANSWER :

B. \(-\frac{189}{580}\)

64.
In a constituency, 55% of the total number of voters are males and the rest are females. If 40% of the males are illiterate and 40% of the females are literate, then by what percentage is the number of illiterate females more than that of the illiterate males (correct to one decimal place)?
A.
22.7%
B.
16.4%
C.
21.5%
D.
20.8%
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ANSWER :
A. 22.7%
65.
By selling 3 dozen oranges for ₹405, a trader loses 25%. How many oranges should he sell for ₹288 if he needs to earn a profit of 20% in the transaction?
A.
18
B.
15
C.
16
D.
12
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ANSWER :
C. 16
66.
X and Y start at the same time to ride from place A to place B, which is 80 km away from A. X travels 4 km per hour slower than Y. Y reaches place B and at once turns back meeting X, 16 km from place B. Y’s speed (in km/h) is:
A.
9
B.
15
C.
8
D.
12
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ANSWER :
D. 12
67.
There are three numbers. If the ratio of the first to the second number is 2 : 7 and that of the second to the third number is 5 : 8, then the ratio of the first to the third number is:
A.
7:8
B.
5:28
C.
1:4
D.
5:7
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ANSWER :
B. 5:28
68.

Study the given graph and answer the question that follows.
 
What is the ratio of the total production of paper by company A in 2016 and 2019 to the total production of paper by company B in 2014 and 2017?

A.

9:7

B.

3:2

C.

5:4

D.

8:5

😑 View Answer Rough Work
ANSWER :

A. 9:7

69.

BD and CE are the medians of â–³ABC, right angled at A. If CE = \(\frac{5\sqrt{13}}{2}\)cm, BC = 10 cm, then the length of BD is:

A.

\(3\sqrt{7}\ \text{cm}\)

B.

\(3\sqrt{5}\ \text{cm}\)

C.

\(\sqrt{13}\ \text{cm}\)

D.

\(\frac{5}{2}\sqrt{7}\ \text{cm}\)

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ANSWER :

D. \(\frac{5}{2}\sqrt{7}\ \text{cm}\)

70.

The following histogram represents the daily earnings of 50 medical stores in a locality.
 
The difference between the percentage of medical stores whose daily earnings are less than ₹1,000 and the percentage of medical stores whose daily earnings are ₹1,200 and above is:

A.

24%

B.

16%

C.

15%

D.

12%

😑 View Answer Rough Work
ANSWER :

B. 16%