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22th question in the attachment................................

22th question in the attachment................................

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Grade:12

1 Answers

Arun
25750 Points
4 years ago
Numbers using 1,2,3,4,5 No. of numbers =5!=120 Numbers using 0,1,2,4,5 No. of numbers =5!-4!=120-24=96 There are 4! numbers beginning with 0 ∴ ∴  Total number of numbers =120+96=216

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