How many odd integers are greater than the integer X and less than the integer Y?
(1) There are 12 even integers greater than X and less than Y.
(2) There are 24 integers greater than X and less than Y.
answer:B
這提示在問有多少奇數介於X與Y之間嗎?
如果是的話,(2)不是只能知道X與Y之間有24個整數,又不知道其中到底有多少奇數或偶數
為什麼答案會是B?