Let’s consider number of men required be ‘x’ men
Length of trench (m) |
27/4 |
27 |
Number of men |
11 |
x |
(27/4)/11 = 27/x
By cross-multiplying
x27/4 = 27(11)
x27/4 = 297
x = (297 × 4)/27
= 44
∴ To dig 27 m long trench of same type in one day requires 44 men.