单项选择题

One integer will be randomly selected from the integers 11 to 60，inclusive．What is the probability that the selected integer will be a perfect square or a perfect cube（）

A. 0.1
B. 0.125
C. 0.16
D. 0.5
E. 0.9

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单项选择题

A total of 40 tourists went on a trip．If 18of the tourists visited site X，18 visited site Y．and 8 visited both site X and site Y，how many visited neither site X nor site Y（）

A. 4
B. 10
C. 12
D. 22
E. 28

单项选择题

The integers between 1 and 100，inclusive，are put in list A if they are divisible by 2and in list B if they are divisible by 3．How many integers in list A are—not in list B（）

A. 11
B. 16
C. 25
D. 33
E. 34

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