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In a library there as 10 research schola...

In a library there as 10 research scholars. In how many ways can we select 4 of them?

Text Solution

Verified by Experts

Out of 10 scholars, we can select 4 of them in `.^(10)C_(4)` ways.
`.^(10)C_(4)=(10xx9xx8xx7)/(1xx2xx3xx4)=210` ways.
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