(9) अलग-अलग पुरस्कारों में से (3) पुरस्कार प्रदर्शनी में रखने हैं और एक खास पुरस्कार नहीं रखना है। कितने तरीके हैं?
From (9) different prizes, (3) prizes are to be kept in an exhibition and one particular prize must not be kept. How many ways are there?
Explanation opens after your attempt
B. (56)
Concept
After removing one particular prize, (8) prizes remain. Hence there are \(\binom{8}{3}=56\) ways.
Why this answer is correct
The correct answer is B. (56). After removing one particular prize, (8) prizes remain. Hence there are \(\binom{8}{3}=56\) ways.
Exam Tip
एक खास पुरस्कार हटाने पर (8) पुरस्कार बचते हैं। इसलिए \(\binom{8}{3}=56\) तरीके हैं।
Login to save your score, XP, coins and progress.
