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Ajay writes five letters to his five friends and addresses the corresponding .The number of ways can the letters be placed in the envelopes so that at least 2 of them are in the wrong envelopes |
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Answer» Ajay writes five letters to his five friends and addresses the corresponding .The number of ways can the letters be placed in the envelopes so that at least 2 of them are in the wrong envelopes |
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