1. Chapter 7 Class 11 Permutations and Combinations (Term 2)
  2. Serial order wise
  3. Ex 7.1

Ex 7.1, 1 (i) - Chapter 7 Class 11 Permutations and Combinations (Term 2)

Last updated at Sept. 3, 2021 by

Ex 7.1, 1 - How many 3-digit numbers can be formed from - Ex 7.1

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  1. Chapter 7 Class 11 Permutations and Combinations (Term 2)
  2. Serial order wise

    3. Ex 7.1

    Ex 7.2 →

Transcript

Ex 7.1, 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

Chapter 7 Class 11 Permutations and Combinations (Term 2)
Serial order wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.