SSC CGL Important Questions and Answers 2021
What is the simplified value of (1– sin A cos A)(sin A + cos A)?
(A) $$cos^2A – sin^2A$$
(B) 0
(C) $$sin^3A + cos^3A$$
(D) $$sin^2A – cos^2A$$
Correct Answer : C
The radius of circle is increased by 1%. How much does the area of the circle increased?
(A) 2.01%
(B) 3.302%
(C) 0.331%
(D) 2.02%
Correct Answer : A
A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm.2) in the total surface area?
(A) $$88 cm.^2$$
(B) $$77 cm.^2$$
(C) $$56 cm.^2$$
(D) $$66 cm.^2$$
Correct Answer : B
The multiplication of the age of Rajeev, before 5 years and after 9 years, is 15. What is the present age of Rajeev?
(A) 6
(B) 7
(C) 5
(D) 8
Correct Answer : A
What is the value of ½ % in decimals ?
(A) 0.0005
(B) 0.005
(C) 0.05
(D) 0.5
Correct Answer : B
Neena and Meena started a business with investment of Rs. 30,000 and Rs. 45, 000 Respectively. What will be the share of Meena from the profit of Rs.1,50,000 after 2 years?
(A) Rs. 30,000
(B) Rs. 45,000
(C) Rs. 75,000
(D) None of these
Correct Answer : D
If (a + b) : (b + c) : (c + a) = 6 : 7 : 8 and a + b +c =14, then the value of c=
(A) 6
(B) 7
(C) 8
(D) 14
Correct Answer : A
At what simple rate of interest a sum is double in 8 years?
(A) 11.0 %
(B) 12.5 %
(C) 12 %
(D) 13.5 %
Correct Answer : B
Find value of $$ {^3\sqrt{\sqrt{0.000729}}}+^3{\sqrt{0.008}}$$
(A) 0.1
(B) 0.5
(C) 0.06
(D) 0.8
Correct Answer : B
What is the value of $$ {\sqrt{625}+\sqrt{484}}$$
(A) 47
(B) 56
(C) 52
(D) 36
Correct Answer : A
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