The ratio between the present ages of P and Q is 5 : 8. After four years, the ratio between their ages will be 2 : 3. What is Q’s age at present?	Choose the correct answer:	A) 36 years	B) 20 years	C) 24 years	D) Data inadequate	E) None of these
P⁄Q = 5⁄8 or P = 5Q⁄8 .....(i)   P+4/Q+4=23   or, 3P + 12 = 2Q + 8 or, 2Q – 3P = 4... (ii)   Putting value of P from eq. (i),   2Q – 3 × 5⁄8Q = 4 ⇒ Q = 32   Answer None of these
<result>E</result>
The ratio between the present ages of P and Q is 5 : 8. After four years, the ratio between their ages will be 2 : 3. What is Q’s age at present?