Ex 6.1, 1 (ii) - Chapter 6 Class 11 Permutations and Combinations

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Ex 6.1, 1 How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that (ii) repetition of the digits is not allowed? 3 digit number : Number of 3 digit numbers without repetition = 5 × 4 × 3 = 60

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