The ratio between the presents of the A and B is 6:7. If B is 4 years older than A, what will be the ratio of the ages of A and B after 4 years?
Answers
A) 1:2	B) 9:11	C) 7:8	D) 6:7	E) 3:4
Let A and B ages will be 6x and 7x   7x - 6x = 4   x = 4   Required ratio = 6x+4 : 7x+4 = 28:32 = 7:8   Answer is 7:8
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The ratio between the presents of the A and B is 6:7. If B is 4 years older than A, what will be the ratio of the ages of A and B after 4 years?