10. If 10 men, 40 women, 80 boys can do a piece of work in 60 days working 6 hours a day, in how many days will 5 men, 5 women and 10 boys do the same working 9 hours a day (assuming the amount of work put in by men, women and boy to be as 4:2:1) ?
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Description for Correct answer: 40 men=60 women=80children 2 men = 3 women = 4 children 2 men = 3 women 1 women = 23men→10women →23×10=203men. Similarly
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