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

Last updated at Dec. 16, 2024 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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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo