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How many combinations of two-digit numners having 8 can be made from the following numbers? 8, 5, 2, 1, 7, 6

Correct Answer: 11

Explanation:

The possibe two-digit numbers are: 88, 85, 82, 81, 87, 86, 58, 28, 18, 78, 68


These are 11 in number


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