ruchi is 4yr younger than surbhi.their ages are in the ratio of 3:5. how old is ruchi?
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let Richie's age be x
and surbhi's be x+4
atq
5x=3(x+4)
5x=3x+12
x=12/2
x=6 years
and surbhi's be x+4
atq
5x=3(x+4)
5x=3x+12
x=12/2
x=6 years
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