3 boys can do a work in 4 days.how long will 12 boys take to complete the same work
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12 boys will do in 1 day
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the ans is 1 day only
samarth44o:
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yes explain it
3boys = 4day then increase 3 boys = 3+3 boys so the no of a day reduced then after again add 3boys =6+3 boys so again 1 day got reduced =4-1-1 =2days again add 3boys =9+3boys=12boys so again one day got reduced so hence the ans is 1 day
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