Question

the age of manoj and humesh are in ratio 5: 7.four years from now,the ratio of their ages will be 3:4.find the present ages

Answer 1

Let the ages be 5x and 7x
5x+4/7x+4=3/4
(5x+4)×4=3(7x+4)
20x+16=21x+12
x=4
5x=20
7x=28
This are the ages
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Answer 2

Here is ur answer in this picture