30 men complete a work in 5 days. How many man will complete the same work in 3 days
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SOLUTION :
Men no. of days
30 = 5
____ ___
1 ?( x )
Cross Multiply
so ,
30 * x = 5 * 1
30x = 5
x = 5 /30
x = 1/6
Thus , one man needs 1/6 of day to complete the work .
so , 3 days
Men Days
1 = 1/6
_____ _____
?(x) 3
cross multiply
3 * 1 = 1/6 * x
3 = x/6
6 * 3
18
hence 18 men will be needed to complete the work in 3 days
Men no. of days
30 = 5
____ ___
1 ?( x )
Cross Multiply
so ,
30 * x = 5 * 1
30x = 5
x = 5 /30
x = 1/6
Thus , one man needs 1/6 of day to complete the work .
so , 3 days
Men Days
1 = 1/6
_____ _____
?(x) 3
cross multiply
3 * 1 = 1/6 * x
3 = x/6
6 * 3
18
hence 18 men will be needed to complete the work in 3 days
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