Question

4 men dig a trench in 10 days.how much time will 20 men take to dig the same trench​

Answer 1

Here is your answer mate...

We can se this is the case of direct proportion because if the number of men decrease then the number of days increase..

Direct proportion = x1 /y1 = x2/ y2

》 4/10 = x2/20

》 x2 = 4×10/20

》 x2 = 2 days Ans.

Hope it will help you...