It took a group of men 5 days to shift 545 crates
It took a group of men 5 days to shift 545 crates. Every day after the first, 6 more men than the previous day were put on the job. Also, every day after the first, each man, by arrangement, shifted 5 fewer crates than the earlier day. The result was that the during the latter part of the period, the number of crates shifted per day began to go down.
What was the number of crates shifted on the third day?
(5) None of these