[計量] A is the set of positive odd ...
(1) A is the set of positive odd integers less than 100,
B is the set of positive even integers less than 5, and
C is the set of product of x from set A and y from set B
[Column A] The number of distinct integers in set C
[Column B] 100
Ans: (A)
(2) If there are 33 balls arranged in the 7differet boxes,
which of the following is true?
[a] At least one of the boxes has more than one ball
[b] There are more than one boxes with 4 balls
[c] At least one of the boxes is empty
(A)[a] only (B)[b] only (C)[a] and [b] (D)[a] and [c]
(E) None
Ans: (B)
(3) This morning Pat went to the market with a red bag and
a green one. If he bought 10 carrots and 6 radishes, in how
many ways could he distribute these vegetables so that no bag
would be empty?
(A)120 (B)75 (C)60 (D)54 (E)45
Ans: (B)
三題答案算出來都不一樣
麻煩各位幫我解答一下
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※ 編輯: ELASTOMER 來自: 118.168.5.225 (01/06 15:19)
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