12 men or 15 women can do a piece of work in 21 days find the number of days required to complete the same work by 6 men and 10 women
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you have to find LCM of 12 and 15 and 20
LCM of (12,15,20) = 60
Then solve it
LCM of (12,15,20) = 60
Then solve it
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