In 10 years,A will be thrice as old as B was 10 years ago.If A is now 9 years older than B,the present age of B is :  Choices.
A) 19 Years	B) 24.5 Years	C) 39 Years	D) 49 Years	E) 59 Years
Solution   Let B's present age = x years.Then,A's present age =(x +9) years.   âˆ´ (x + 9)+ 10 = 3 (x - 10) â‡” x + 19 = 3x- 30 â‡” 2x = 49 x = 24.5.Answer 24.5 Years
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In 10 years,A will be thrice as old as B was 10 years ago.If A is now 9 years older than B,the present age of B is :