Question : Sonu can do work in 15 days, Monu can do it in 10 days, and Tipu can do it in 12 days. In how many days can Sonu, Monu, and Tipu together complete the work?
Option 1: 8 days
Option 2: 10 days
Option 3: 4 days
Option 4: 5 days
Correct Answer: 4 days
Solution :
Sonu can do work in 15 days
Monu can do it in 10 days
Tipu can do it in 12 days
Let the total work be considered as 120 units which is the multiple of 15, 10, and 12.
Sonu can do (
Monu can do (
Tipu can do (
Hence, Sonu, Monu, and Tipu together can do (8 + 12 + 10) = 30 units of work in a day.
Hence, the correct answer is 4 days.
