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

Last updated at August 17, 2026 by

Ex 6.1, 1 - How many 3-digit numbers can be formed from digits 1, 2, 3 - Ex 6.1

 

 

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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 (i) repetition of the digits is allowed? 3 digit number : Number of 3 digit numbers with repetition = 5 × 5 × 5 = 125

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