(9) identical pens को (4) students में बांटना है और खाली हिस्सा allowed है। Count कौन-सी है?
(9) identical pens are to be distributed among (4) students and zero share is allowed. Which count is correct?
Explanation opens after your attempt
B. \(^{12}C_3\)
Concept
For identical pens and distinct students, use (9) stars and (3) bars. In exams remember stars and bars for zero-allowed distribution.
Why this answer is correct
The correct answer is B. \(^{12}C_3\). For identical pens and distinct students, use (9) stars and (3) bars. In exams remember stars and bars for zero-allowed distribution.
Exam Tip
Identical pens और distinct students के लिए (9) stars तथा (3) bars लगते हैं। परीक्षा में zero allowed distribution में stars and bars याद रखें।
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