Question

$15$ men can build a $16.5m$long wall in one day. How many men are required to build a $66m$long wall in one day?

Answer 1

Find how many men required to build $66m$ a long wall in one day

Given$15$ men can build a $16.5m$long wall in one day

$\therefore 1$men can build $=\frac{16.5}{15}=1.1m$ long wall in one day.

$\therefore$The men were required to build a $1.1m$ long wall in one day $=1$

$\therefore$The men were required to build a $66m$ long wall in one day $=\frac{66}{1.1}$

$=\frac{660}{11}$

$=60$

$\therefore 60$ men were required to build a $66m$ long wall in one day.