how many 4 digit can we formed using the number 2,6,9,5 without repeating any digit
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4! × 3! × 2! × 1!
if repetition is not allowed= 4 × 3 × 2 ×1 ×3 × 2 ×1 × 2 × 1 × 1 =
manthan7445:
= 288 ways
Sorry the answer is wrong . The answer is 4 × 3 × 2 × 1 = 24 ways
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