(8) अंग्रेजी और (9) हिंदी पुस्तकों में से (5) पुस्तकें चुननी हैं जिनमें दोनों भाषाओं की पुस्तकें हों। कितने तरीके हैं?
From (8) English and (9) Hindi books (5) books are to be selected with books from both languages. How many ways are there?
Explanation opens after your attempt
A. (6006)
Concept
Total ways are \(\binom{17}{5}=6188\). Removing only English \(\binom{8}{5}=56\) and only Hindi \(\binom{9}{5}=126\) gives (6006).
Why this answer is correct
The correct answer is A. (6006). Total ways are \(\binom{17}{5}=6188\). Removing only English \(\binom{8}{5}=56\) and only Hindi \(\binom{9}{5}=126\) gives (6006).
Exam Tip
कुल \(\binom{17}{5}=6188\) हैं। केवल अंग्रेजी \(\binom{8}{5}=56\) और केवल हिंदी \(\binom{9}{5}=126\) हटाने पर (6006) मिलते हैं।
Login to save your score, XP, coins and progress.
