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Permutation

How many comb...

Question

How many combinations of two digits number having 8 can be made from the following numbers?
8 5 2 1 7 6

A

9

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B

10

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C

11

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D

12

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Solution

The correct option is C 11
Two digit numbers having 8 are 88, 85, 82, 81, 87, 86, 58, 28, 18, 78 and 68
So the answer is (3)

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