Question

78 men can do a piece of work in 140 days in how many days can 42 men complete the same work

Answer 1

Answer:

Step-by-step explanation:

78 men can do a piece of work in 140 days

1 man can do a piece of work in 140/78 days

42 men can do a piece of work in 140/78×42=980/13=75 upon 5/13 days.