(10) अलग-अलग प्रश्नों में से (3) प्रश्नों का सेट कितने तरीकों से बनाया जा सकता है?
In how many ways can a set of (3) questions be made from (10) different questions?
Explanation opens after your attempt
C. (120)
Concept
Making a set of questions is selection. Hence \(\binom{10}{3}=120\) is correct.
Why this answer is correct
The correct answer is C. (120). Making a set of questions is selection. Hence \(\binom{10}{3}=120\) is correct.
Exam Tip
प्रश्नों का सेट बनाना चयन है। इसलिए \(\binom{10}{3}=120\) सही है।
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