5 women or girls can do a work in 84 days,. 10 women and 5girls in
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5 women or girls can do a work in 84 days
amount of work = 84 *5 = 420
10 women and 5 girls means 15 women
its a inverse proportion question
15*x = 5*84
15*x = 420
x = 420/15
x = 28 days
10 women and 5 girls will complete the work in 28 days
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