(8) विद्यार्थियों में से (6) विद्यार्थियों की टीम कितने तरीकों से चुनी जा सकती है?
In how many ways can a team of (6) students be selected from (8) students?
Explanation opens after your attempt
Correct Answer
B. (28)
Concept
\(\binom{8}{6}=\binom{8}{2}=28\). When many are selected, counting those not selected is easier.
Why this answer is correct
The correct answer is B. (28). \(\binom{8}{6}=\binom{8}{2}=28\). When many are selected, counting those not selected is easier.
Exam Tip
\(\binom{8}{6}=\binom{8}{2}=28\) होता है। अधिक चुनना हो तो न चुने गए लोगों को गिनना आसान होता है।
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