Question

Efficiencies of a ,b,c are 2:5:3. If they together complete a work in 27 days. In how many days b and c complete 4/9

Answer 1

Answer:

15

Step-by-step explanation:

A+B+C do in 27 days

efficiency of ABC is 2+5+3=10

then work 270 unit's

4/9 of work is ---120

then B and C do in

120/(5+3)

120/8

15 days