## The ratio between the present ages of P and Q is 6 : 7. If Q is 4 years old than P, what will be the ratio of the ages of P and Q after 4 years ?

Let P’s age and Q’s age be 6$x$ years and 7$x$ years respectively. Then, 7$x$ – 6$x$ = 4 $x$ = 4 Required ratio = $(6x+4)$ : $(7x+4)$ = 28

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