The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. Find their present ages.

Solution: Let us assume Jacob’s current age is x and his son’s current age is y. Five years hence, Jacob’s age = x + 5 and his son’s age = y +...

(b) Body with jointed legs 

Let the common ratio between Rahul's age Hari's age be x ∴ Age of Rahul and Hari will be 5x years and 7x years After 4 years the age of Rahul and Hari will be (5x+4) years and (7x+4) years After 4...

Let Rahul's age = 5x Let Haroon's age = 7x A/Q (5x+4)+(7x+4) = 56 5x+7x+8 = 56 12x = 48 x = 4 Rahul's age = 5x = 5x4 = 20 years Haroon's age = 7x =...

Let Baichung's father's present age be x years Given Baichung's father is 29 years older than Baichung Hence Baichung's age is (x − 29) years Baichung's grandfather is 26 years older than Baichung's...

Let , the present age of Ravi be x Ravi's age after fifteen years = x+15 a\q, =>x+15 = 4x => 4x-x =15 => 3x =15 => x = 15/3 => x = 5 so,present age of Ravi...

At present, _________ Shobo's age = x years His mother's age = 6 times of  Shobo's age = 6x years Five years from now  ________________ Shobo's age = ( x + 5 ) years According to the problem given, x...

Let the present age of the son be x years Given that, sum of present ages of man and his son is 45 years. ⇒ Man’s present age = (45 – x)years And also...

Let the present age of friend 1 be a x years Given that, Sum of the ages of two friends = 20 years ⇒ Present age of friend 2 = (20 – x)...

(a) Let the present ages of P and Q be 3x and 4x respectively. Then, (4x + 4) – (3x + 4) = 5 ⇒ 4x – 3x = 5 ⇒ x = 5  P’s present age =...