The ratio of A and B is 5:3.After 2 years their ratio is 3:2.What is the age of B?	Choose the correct choice from the following options.
A) 5	B) 3	C) 6	D) 7	E) 8

Rationale: the ratio of a and b is 5 x and 3 x years . after 2 years , their ratio will be 3 and 2 . ( i . e ) ( 5 x + 2 ) / ( 3 x + 2 ) = 3 / 2 10 x + 4 = 9 x + 6 x = 2 b ' s age = 3 x = 3 ( 2 ) = 6 years answer is option c
Answer: C