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In how many ways can a group of 4 boys be selected from 10 if the oldest boy is included in each group?
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In how many ways can a group of 4 boys be selected from 10 if the oldest boy is included in each group?

User Corin Fletcher
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Answer: 84 (look at the image for the solution)

Explanation:

In how many ways can a group of 4 boys be selected from 10 if the oldest boy is included-example-1
User Mchouhan
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