The ages of Rahul and Haro on are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are 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 +...

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 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...

Given Hari age =5x given Harry age=7x 4 years later both of their age is =5x+4                                  ...

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)...

(b) Let Seema’s present age be x years.  Then, Seema’s son’s present age = x/4 years  Seema’s father’s present age = 7x/4 years.  Then, x+ x/4 +7x/4= 32x3  12x = 96 × 4  x = 96...

(a) Let the age of woman be 2x years and that of her daughter be x years. According to the question, 2x + x = 2 × 42 or, 3x = 84 or, 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 =...

(a) Average age of father and son = 33 years  Sum of their ages = 2 × 23 = 66 years 8x+3x =2x33 ⇒11x=66 ⇒ x=6 Father's age = 8 × 6 = 48...