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Question

Find the numbers of ways in which one can post $$5$$ letter in $$7$$ letter boxes.


Solution

Each latter can be  posted  in any  one of the 7
letter boxes. 

So, required numbers of ways =7×7×7×7×7=75


1610198_1669626_ans_be1446186cd5439a9d8d9a7a6dc995cf.jpeg

Mathematics

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