Probability 71204
On ten identical cards, there are numbers from zero to nine. Determine the probability that a two-digit number randomly drawn from the given cards is:
a) even
b) divisible by six
c) divisible by twenty-one
a) even
b) divisible by six
c) divisible by twenty-one
Correct answer:

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You need to know the following knowledge to solve this word math problem:
combinatoricsalgebrabasic operations and conceptsnumbersGrade of the word problem
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