On each birthday johan received from his father रु 5 for each year of his age. Find the total sum John had received by the time he was 21 years old .

Roshan invests 2,40,000 for 2 years at 10% per annum compounded anually. If the income tax at 20% is deducted at the end of each year on the interest accrued, find the amount he will receive at the end of 2 years.

the income of a person is Rs. 300,000 in the first year and he receivers in increase of Rs. 10000 to his income per year for the next 19 years. Find the total amount, he received in 20 years.

The income of a person is Rs. 3, 00,000, m the first year and he receives an increase of Rs. 10.000 to his income per year for the next 19 years. Find the total amount, he received m 20 years.

Raju's father's age is 5 years more than three times Raju's age. Find Raju's age.if his father is 44 years old.

Raju’s father’s age is 5 years more than three times Raju’s age. FindRaju’s age, if his father is 44 years old.

The sum of ages of father and his son is 75 years. If the age of the son is 25 years, find the age of the father.

Present age of father is 42 years and that of his son is 14. Find the ratio of (a) Present age of father to the present age of son.(b) Age of the father to the age of son, when son was 12 years old.(c) Age of father after 10 years to the age of son after 10 years.(d) Age of father to the age of son when father was 30 years old.

The age of a man is twice the sum of the age of his two children . After 20 years his age will be equal to the sum of the age of his children, at that time. Find the present age of the sum.

A sum of Rs 44,200 is divided between John and Smith, 12 years and 14 years old respectively, in such a way that if their portions be invested at 10 percent per annum compound interest, they will receive equal amounts on reaching 16 years of age. What will each receive, when 16 years old ?

A sum of Rs 44,200 is divided between John and Smith, 12 years and 14 years old respectively, in such a way that if their portions be invested at 10 percent per annum compound interest, they will receive equal amounts on reaching 16 years of age. What will each receive, when 16 years old ?