The ages of joyti and Aarti are in the ratio 5:7After four years from now ,their ages will be in the ratio 3:4 their prrsent age
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let the age of jyoti and aarti be 5x and 7x respectively
after 4 yrs from now
the age of jyoti=5x+4
the age of aarti =7x+4
according to question
5x+4/7x+4=3/4
3(7x+4) =4(5x+4)
21x+12=20x+16
21x-20x=16-12
x=4
the age of jyoti be 5x =5*4=20
and the age of aarti be 7x=7*4=28
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