Example 3 - Chapter 6 Class 11 Permutations and Combinations

Last updated at April 16, 2024 by

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Example 3 How many 2 digit even numbers can be formed from the digits 1, 2, 3, 4, 5 if the digits can be repeated? Let the 2 digit even number be Only 2 numbers are possible at units place (2 and 4) as we need even number. But at tens place all 5 are possible Number of 2 digit even numbers = 2 5 = 10

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Davneet Singh

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