In 10 years, A will be twice as old5as B was 10 years ago. If A is now 12 years older than B, the present age of B is	Choose the most appropriate option
A) 35  B) 37  C) 39  D) 41  E) 42
Explanation:   Let B's age = x years.   Then, As age = (x+ 12) years.   (x+12+10)=2(x—10)   hence x=42.   Present age of B = 42 years   Answer: Option 42
<result>E</result>
In 10 years, A will be twice as old5as B was 10 years ago. If A is now 12 years older than B, the present age of B is