Practice30 Create account

The ratio of the present ages of A and B is 4 : 5. After 6 years their ratio becomes 5 : 6. Find the present age of A. (answer in years)

Competition practiceRatio, Proportion & Mixtures

A20
B24
C30
D28

Step-by-Step Solution

Let ages be

4 x

and

5 x . (4 x + 6) / (5 x + 6) = 5/6

⇒

24 x + 36 = 25 x + 30

⇒

x = 6

;

A = 4 \times 6 = 24

.

Answer: B) 24

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Ratio, Proportion & Mixtures practice questions

More Ratio, Proportion & Mixtures practice

The present ages of A and B are in the ratio 3:5. Eight years from now, their ages will…The ratio of the present ages of A and B is 4:5. After 6 years the ratio becomes 6:7.…A 56-litre can of mango drink has pulp and water in the ratio 5 : 2. How many litres of…The present ages of A and B are in the ratio 5:7. Six years from now the ratio becomes…The ratio of the present ages of A and B is 5 : 7. Four years hence, the ratio will…