Q. |
How many 4 digit even numbers can be formed with distinct digits from the digits 1, 3, 4, 5 and 0? |
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A. 48 |
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B. 24 |
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C. 18 |
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D. 42 |
1, 3, 4, 5 and 0
Keeping '0' in the units digit: 4 × 3 × 2 × 1 = 24
Keeping '4' in the units digit: 3 × 3 × 2 × 1 = 18
Total = 24 + 18 = 42 numbers