P and Q can complete a work in 15 days and 20 days respectively. If they work together on it for 5 days, then the fraction of the task that will be left as:
Answer & explanation
Correct answer: option 2
P and Q can complete a work in 15 days and 20 days respectively. If they work together on it for 5 days, then the fraction of the task that will be left as:
Correct answer: option 2