how many 4 digit even numbers can be formed with the digits 1,7,8,9,5,2,0 ??

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Viraat Verma · Answer 1 · 2022-12-13T15:59:18+0000

Case 1:- When repetition is allowed , then the required permutations would be 7 × 7 × 7 × 3 = 1029

Case 2:- When repetition is not allowed, then the required permutations would be 6 × 5 × 4 × 3 = 360.