Question

a group of labourers promise to do a piece of work in10 days but 5 of them become absent . if the remaining labourers complete the work in 12 days find their original number in the group

Answer 1

total days to complete=10
Labour absent =5
days tool to complete the world=12
total Labour's in the group=?


days+days/5=total Labour
10+12/15=4.4
4.4*10=44
total Labour =44