Example 3 - Chapter 7 Class 11 Permutations and Combinations (Term 2)
Last updated at Sept. 3, 2021 by Teachoo
Examples
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Example 2
Example 3 Important You are here
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Example 6 (i)
Example 6 (ii)
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Example 12 (i) Important
Example 12 (ii)
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Example 20 Important
Example 21 Important
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Example 24 Important
Chapter 7 Class 11 Permutations and Combinations (Term 2)
Serial order wise
- Ex 7.1
- Ex 7.2
- Ex 7.3
- Ex 7.4
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Examples
- Miscellaneous
Transcript
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
