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1. |
A history teacher has a stack of four different books. How many ways can these books be stacked? |
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A. |
24 |
B. |
4 |
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C. |
48 |
D. |
12 |
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Hint |
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2. |
The local Humane Society needs to select 2 out of 4 cats to feature in a newspaper advertisement. One will appear in the Saturday paper, and the other will appear in the Sunday paper. How many ways can the cats be selected? |
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A. |
12 |
B. |
2 |
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C. |
24 |
D. |
16 |
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Hint |
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3. |
How many different ways can you arrange the letters in the word compare? |
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A. |
5! |
B. |
7! |
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C. |
6! |
D. |
4! |
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Hint |
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4. |
How many ways can you arrange the letters in the word compatible? |
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A. |
39,916,800 |
B. |
362,880 |
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C. |
3,628,800 |
D. |
100 |
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Hint |
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5. |
Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is an even number. |
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A. |
60% |
B. |
40% |
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C. |
20% |
D. |
80% |
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Hint |
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