SSC CHSL 2021-12.08.2021-1 SSC Question Paper

SSC CHSL 2021-12.08.2021-1 SSC Questions

61.

What is the compound interest(₹) on a sum of ₹46,000 for years at 15% per annum, interest being compounded annually (nearest to a ₹)?

A.

18,458

B.

18,485

C.

19,485

D.

19,458

ANSWER :

B. 18,485

62.

If \(\sqrt{x} + \frac{1}{\sqrt{x}} = 2\sqrt{3}\), then what will be the value of \(x^4 + \frac{1}{x^4}\) ?

A.

10402

B.

9606

C.

9602

D.

10406

ANSWER :

C. 9602

63.
If 3x − 2y + 3 = 0 then what will be the value of 27x³ + 54xy + 30 − 8y³?
A.
-27
B.
57
C.
-57
D.
3
ANSWER :
D. 3
64.

Chords AB and CD of a circle meet at point P (outside the circle), when produced. If AB = 9cm, PB =\(\frac{1}{3}\)AB and CD = 5 cm, then the length of PD (in cm) is:

A.

7

B.

6

C.

5

D.

4

ANSWER :

D. 4

65.

By selling an article for ₹3,150, a shopkeeper earns 5% profit. For how much money should he sell the article in order to gain 8%?

A.

3,240

B.

3,180

C.

3,200

D.

3,250

ANSWER :

A. 3,240

66.

Given that \(3\sqrt{3}x^3 - 8y^3 = (\sqrt{3}x + Ay)(3x^2 + By^2 + Cxy)\), the value of (A2 + B2 - C2) is:

A.

4

B.

8

C.

12

D.

0

ANSWER :

B. 8

67.
A solid metallic sphere of radius 12 cm is melted and recast in the form of small spheres of radius 2 cm. How many small spheres are formed?
A.
24
B.
96
C.
864
D.
216
ANSWER :
D. 216
68.
A tap can fill a tank in 4 hours. Another tap can fill the same tank in 6 hours. If both the taps are opened at the same time, then in how much time will the empty tank be filled completely?
A.
2h 30 min
B.
2h 24 min
C.
3 h
D.
2 h
ANSWER :
B. 2h 24 min
69.

If tan 30θ = sin 45° . cos 45° + cos 60° and 3θ is an acute angle, then what will be the value of sin 4θ?

A.

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

B.

\(\frac{1}{\sqrt{2}}\)

C.

\(\frac{1}{2}\)

D.

1

ANSWER :

A. \(\frac{\sqrt{3}}{2}\)

70.
A boat can go 15 km downstream and 8 km upstream in 2h. It can go 20 km downstream and 12 km upstream in 2h 50 min. What is the speed (in km/h) of the boat while going downstream?
A.
16
B.
15
C.
20
D.
18
ANSWER :
B. 15