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How many two-digit numbers can be formed from numbers 2, 5, 6, 8, 7, 1 such that each number has digit 8 always?(1) 9 (2) 10 (3) 11 (4) 12 |
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Answer» Correct option: (3) 11 Explanation: Numbers are 2, 5, 6, 8, 7, 1 82, 28 85, 58 86, 68 87, 78 81, 18 88, ∴ Total 2 digit number are 11 |
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