THERE ARE 3 × 2 × 4 = 24 POSSIBLE DIFFERENT SHIRT-SWEATER-HAT COMB...
36. There are 3 × 2 × 4 = 24 possible different shirt-sweater-hat
combinations that Kramer can wear. He wears the first one on a
Wednesday. The following Wednesday he will wear the 8th
combination. The next Wednesday after that he will wear the 15th
combination. The next Wednesday after that he will wear the 22nd
combination. On Thursday, he will wear the 23rd combination and
on Friday he will wear the 24th combination.
Thus, the first day on which it will no longer be possible to wear a
new combination is Saturday. The correct answer is E.