Question

Rohit can do a work in 30 days , Saif in 45 days and Rahul in 60 days . If Rohit is helped by Saif and Rahul every 3rd day , how long will it take for them to complete the work ?​

Answer 1

Answer:

Step-by-step explanation:

divide these days by 3

30/3+45/3+60/3=10+15+20=45 days