Directions: The following question consists of two quantities, Quantity I and Quantity II. You are to compare the two quantities and find the correct relationship between both the quantities. 7 men and 4 women can complete a piece of job in 5 days. Also, 7 boy and 3 women can complete the same job in 7 days. Quantity I: The time taken to complete the piece of job by one man, one woman and one boy. Quantity II: 21 days.