Question

M’ can dig a trench 40 metre in depth in 4 days working equal hours for a day. Next day morning and every morning thereafter he finds that one fifth of the net depth as at the end of the previous day has got filled up with the mud again. What was the depth of the trench in the beginning of the fourth day.

Answer 1

Answer:

If M can dig a trench 40 meters in depth in 4 days working equal hours for a day. Then in one day, M can dig 40/4 = 10 meters. At the end of day one, M will have dug 10 meters. At the beginning of the second day, the trench will be 4/5 deep

Step-by-step explanation:

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