In 10 years,A will be six times as old as B was 10 years ago.If A is now 9 years older than B,the present age of B is :
Options: A) 15.8 Years B) 29 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 = 6 (x - 10) â‡” x + 19 = 6x- 60 â‡”5 x = 79   x=15.8 .15.8 Yearsnswer 15.8 Years
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In 10 years,A will be six times as old as B was 10 years ago.If A is now 9 years older than B,the present age of B is :