How was Subway Started by a 17 year old boy | FactStar

What will be the IQ of a 20 years old boy whose mental age is 15 years?

A four year old child

In an accident the anterior pituitary of a four year old boy was severely damaged but the boy survived. What is likely to happen

If a human heart beats once in every 0.8 s, find the number of times it has beaten in the life of a 10 year old boy

If a 12 years old boy is replaced by a new boy, then the average age of 18 boys increases by 1.5 years. What is the age of the new boy?

X is 36 years old and Y is 16 years old. In how many years will X be twice as old as Y?