Question

If one man takes 2 days to do work and another takes 3 days to do work then if both men works together then how much time would they take

Answer 1

let the work be 6 ( lcm of 2 and 3)

first man needs 2 days

so first man do 3 work in a day



second man needs 3 days

so first man do 2 work in a day


so together they do 5 work in a day


5 work --------- 1 day

6 work ---------- x days

x = 6 /5 days

x = 1.2 days