Question

If it’s takes A men B hours to dig holes.How many holes can be dug by D men in E Hour

Answer 1

n* E* D / (A*B)

Explanation:

A men works B hours to dig n number of Holes
1 men works B hours to dig n/A
1 men works 1 hours to dig n/(A*B)
1 men works E hours to dig n*E/(A*B)
D men works E hours to dig n*E*D/(A*B)