यदि (5) पुस्तकों में से (2) पुस्तकें चुननी हों तो कुल कितने चयन होंगे?
If (2) books are to be selected from (5) books, how many selections are possible?
Explanation opens after your attempt
B. (10)
Concept
This is a direct use of \(\binom{5}{2}=10\). In exams, order is not counted in selection.
Why this answer is correct
The correct answer is B. (10). This is a direct use of \(\binom{5}{2}=10\). In exams, order is not counted in selection.
Exam Tip
यह \(\binom{5}{2}=10\) का सरल प्रयोग है। परीक्षा में चयन का क्रम नहीं गिना जाता।
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