[計量] How many possible committees ...
第1題
How many possible committees can be formed from a
group of seven people if each committee can have any
number of members from one to seven?
(A) 7
(B) 49
(C) 5040
(D) 127
(E) 98
Ans:D
第2題
Pat has one penny, one nickel, one dime, one quarter
and one half-dollar in his pocket.
Column A Column B
The number of different 32
sums of money Pat can
make up, assuming 0 cent
is not allowed.
Ans: B
麻煩大家幫忙解答了，謝謝。
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