Sachin is younger than Rahul by 18 years. If the ratio of their ages is 7:9, find the age of Sachin	Pick one.
A) 24.5	B) 63	C) 65	D) 36	E) 24.19

Rationale: "explanation : if rahul age is x , then sachin age is x - 18 , so , 9 x - 162 = 7 x 2 x = 162 x = 81 so sachin age is 81 - 18 = 63 answer : b ) 63"
Answer: B