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Two subjects are compulsory for a studen...

Two subjects are compulsory for a student in an examination. In how many ways can a student select 5 subjects out of given 10 subjects?

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To solve the problem of how many ways a student can select 5 subjects out of 10 given subjects when 2 subjects are compulsory, we can follow these steps: ### Step 1: Understand the problem Since 2 subjects are compulsory, they are already included in the selection. Therefore, the student only needs to select 3 additional subjects from the remaining subjects. ### Step 2: Determine the number of remaining subjects Out of the total 10 subjects, after including the 2 compulsory subjects, we have: \[ ...
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