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1. There are 5 letters and …

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1. There are 5 letters and 5 different envelopes. The number of ways in which all the letters can be put in wrong envelope, is (a) 119 (b) 44 (c) 59 (d) 40

Posted by Anjali Bhujbal 5 months, 3 weeks ago

CBSE > Class 11 > Mathematics

3 answers

Naahar Singh 5 months ago

119

1Thank You

Sudhanshu . 5 months, 1 week ago

It's a concept of de- arrangement in PNC chapter...

1Thank You

Sudhanshu . 5 months, 1 week ago

B) 44

1Thank You

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Posted by Akshat Singla 5 days, 9 hours ago

CBSE > Class 11 > Mathematics