Question

If 20 men complete a piece of work in 12 days , how long will 40 men take to do the same piece of work? Solve with ratio and proportion method .I know the answer but I want the process.


Answer is 6 Days


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Answer 1

20:12::40:Day
20/12=40/Day
Day=12*20/40
= 6

Answer 2

20 men complete 12days, 40 men how many day ?

Solution

(20*12)/40 = 6days