Question

$25$ men were employed to do a piece of work in $24$ days. After $15$ days, $10$ more men were engaged and the work was finished a day soon. In what time could they finish the work if extra men were not employed?

Answer 1

Actual work done $=(25\times 15)+(25+10)\times 8=655$ man days
Time required by $25$ men to complete this work is $=\frac{655}{25}=26.2$ days