In 10 years, A will be twice as old5as B was 10 years ago. If A is now 7 years older than B, the present age of B is  Choose the correct choice from the following options.
A) 35	B) 37	C) 39	D) 41	E) 42
Explanation:   Let B's age = x years.   Then, As age = (x+ 7) years.   (x+7+10)=2(x—10)   hence x=37.   Present age of 37 = 37 years   Answer: Option 37
<result>B</result>
In 10 years, A will be twice as old5as B was 10 years ago. If A is now 7 years older than B, the present age of B is