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In an examination a student has to answe...

In an examination a student has to answer 4 questions out of 5 questions; questions 1 and 2 are however compulsory. Determine the number f ways n which the student can make the choice.

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It is given that 2 questions are compulsory out of 5 questions
So, the other 2 questions can be selected from the remaining 3 questions in
`=>3_(C_2 )`= 3 ways.
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