Exercise 2
11)In 40 years, age of a person becomes five times of his present age. What will be his age after 10 year?
A) 15 yrs
B) 18 yrs
C) 20 yrs
D) None
12) After 12 years, the age of Suresh will be 4 times as old as he is now. How many years hence will he be 8 times as old as he now?
A) 21 yrs
B) 18 yrs
C) 32 yrs
D) None