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23. 祭典中要放8個天燈,預計是晚上7時30分放第1個,之後每隔1分鐘30秒再放一個。結果放出第3個天燈後因設備問題暫停,直到原訂放出第7個天燈的時刻才繼續,請問最後一個天燈在什麼時候放出? (A)
問題詳情
23. 祭典中要放8個天燈,預計是晚上7時30分放第1個,之後每隔1分鐘30秒再放一個。結果放出第3個天燈後因設備問題暫停,直到原訂放出第7個天燈的時刻才繼續,請問最後一個天燈在什麼時候放出?
(A) 晚上7時40分30秒
(B) 晚上7時42分
(C) 晚上7時45分
(D) 晚上7時46分30秒
參考答案
答案:C
統計:A:4,B:7,C:57,D:43,E:0
難度:適中
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