4. The ratio between the
present ages of P and Q is 5 : 7 respectively. If the difference between Q's
present age and P's age afler 6 years is 2, what is the total of P's and Q's
present ages ?
A. 46
years B. 48 years
C. 52
years D. 56 years
Answer:
Let the present ages of P and Q
be 5x years and 7x years respectively.
Then 7x-(5x+6)=2
2x=8
x=4.
Required sum = 5x+7x
=12x
=12×4
=48 years.
