A boy aged 12 years is left with 100000 which is under a trust. The trustees invest the

A Receives Rs. 50,000 at the age of 10 years from his father. He invested that money in a trust. The trust give him Rs. 1200 per year and spent Rs. 300 per year to manage that money . How much amount will the boy receive at age of 18 years if the rate of interest is 10% p.a.

The average age of 30 boys in a class is 15 years. One boy aged 20 years, left the class, but two new boys came in his place whose ages differ by 5 years. If the average age of all the boys now in the class still remains 15 years, the age of the younger newcomer is:

The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in this place whose age differ by 5 years. If the average age of all boys now in the class becomes 15 years, the age of the younger newcomer is :

The average age of 30 boys in a class is 15 years, One boy , aged 20 years, left the class, but two new boys came in his place whose age differs by 5 years . If the average age of all the boys now in the class becomes 15 years , the age of the younger newcomer is :

A boy's age is one fourth of his father's age. The sum of the boy's age and his father's age is 35. What will be father's age after 8 years?

From a class 24 boys, a boy aged 10 years leaves the class and in his place a new boy is admitted .As a result the average age of the class is increased by 2 months. What is the age of the new boys?