The ratio between the present ages of P and Q is 3 : 4. Four years hence Q will be five years older than P. What is P’s present age?
The ratio between the present ages of P and Q is 3 : 4. Four years hence Q will be five years older than P. What is P’s present age?
(a) 15 years (b) 20 years (c) 25 years (d) Cannot be determined (e) None of these
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(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
= 3 × 5 = 15 yrs.
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