Question

Q22. The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be
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Answer 1

Answer:

let the age of Hari and Harry be 5x and 7x

after 4 years hari' s age=(5x+4)yrs

Harry's age=(7x+4)yrs

according to question,

hari's age /Harry's age =3/4

5x+4/7x+4=3/4

4 (5x+4)=7 (7x+4)

21x-20x=12-16

x=4

Harry's age=5x

5×4

20years

hari's age =7x

7×4

=28years