Which of the following cannot be the median of five positive integers a, b, c, d, and e?
A. a
B. d+e
C. b+c+d
D. (b+c+d)/3
E. (a+b+c+d+e)/5
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In the rectangular quadrant system shown above, which quadrant, if any, contains no point
A. none
B. Ⅰ
C. Ⅱ
D. Ⅲ
E. Ⅳ
A certain prosthodontist specializes in implanting gold and silver teeth in his patients'
A. 31
B. 32
C. 33
D. 34
E. 35
An engineer designed a ball so that when it was dropped, it rose with each bounce exactly
A. 5
B. 6
C. 7
D. 8
E. 9
How many of the 1,000 people polled responded "none of the above" to the questions?
A. 140
B. 110
C. 80
D. 20
E. 0