1.

The average time taken to deliver orders booked on a particular day is computed as follows. Let the number of orders delivered the next day be x and the number of orders delivered the day after be y. Then the average time to deliver order is (x + 2y)/(x + y). On which of the following days was the average time taken to deliver orders booked the least?

A. 16th
B. 15th
C. 13th
D. 14th
Answer» E.


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