Question

b) The ratio between the present ages of 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?
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Answer 1

Answer:

Let A age and B age is 6x years and 7x years.

Then 7x - 6x = 4 <=> x = 4

So required ratio after  years will be (6x+4): (7x+4)

=>(6*4+4):(7*4+4)

=> 28:32

=> 7:8

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