Question

17. A is 20% less than B while C is
20% more than D. If D is 25%
less than A, then which of the
following is true?
(1) B = 0.675 C
(2) C = 0.72 B
(3) B = 0.72 C
(4) C = 0.675 B
(SSC CGL Tier-I (CBE)​

Answer 1

Step-by-step explanation:

(2) C = 0.72 B

A = B - 0.2 B = 0.8 B

C = 1.2 D = 1.2 * 0.75 A = 0.9 A

D = 0.75 A

now, A = C/0.9

so, C/0.9 = 0.8 B

and C = 0.72 B (Ans.)