15 boys can alone done a piece of work in 20 days. 30 boys and 30 girls working alternately started with 30 boys, then find the total number days taken to complete the whole work if one boy is equal to two girls.
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15 boys can alone done a piece of work in 20 days. 30 boys and 30 girls working alternately started with 30 boys,
200 Children=120 boys
=>50 Children=30 boys
i.e. Remaining meal is for 50 Children Or 30 boys
so Ans is 30 boys
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