Question

sum of ages of mr kelaram and his son is 30 yrs . after 5 yrs the product of their ages will be 300 yrs .find their present age​

Answer 1

Answer:

Let the age of Mr.Kelaram be x.

Age of his son = 30-x

After 5 years,

Age of Mr.Kelaram = x+5

Age of his son = 30-x+5 = 35-x

According to Question,

(x+5) (35-x) = 300

=> $30x-x^2+175 = 300$

=> $x^{2}-30x+125 = 0$

=> $x^{2} -25x-5x+125 = 0$

=> $x(x-25)-5(x-25) = 0$

=> $(x-5)(x-25) = 0$

=> x = 5 or x = 25

Hence, age of Mr.Kelaram = 25 years

Age of his son = 5 years