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11. Sushma is now 15 years older than Vijay but in 3 more years she will be 8 times as old as Vijay was3 years ago. How old are they now?

Answer»

S=V+15(S+3)=8(V-3)S+3=8v-24V+15+3=8v-24so 7V=42so V=6and S=21



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