Question

a, b,c working together can finish a piece of work in 8 hours, A alone can do it in 2o hours and B alone can do it in 24 hrs, in how many will C alone do the same work​

Answer 1

Answer:

c alone can do work in 1÷ 1/30 = 1 × 30 = hours.Hence, c alone can do the same work in 30hours