At an inn, there are provisions sufficient for 20 days for 40 people. At the end of every 10 days, 5 people leave off. How many days the provision will be sufficient?
Q1. At an inn, there are provisions sufficient for 20 days for 40 people. At the end of every 10 days, 5 people leave off. How many days the provision will be sufficient?
Answer: None of these
Explanation: The correct value is None of these. Apply the formula or arithmetic step shown in the question and