(6) अंग्रेजी और (5) गणित पुस्तकों में से कुल (3) पुस्तकें चुननी हैं जिनमें कोई गणित पुस्तक न हो। कितने तरीके हैं?
From (6) English and (5) mathematics books, (3) books are to be selected with no mathematics book. How many ways are there?
Explanation opens after your attempt
Correct Answer
C. (20)
Concept
No mathematics book means choosing (3) English books. The ways are \(\binom{6}{3}=20\).
Why this answer is correct
The correct answer is C. (20). No mathematics book means choosing (3) English books. The ways are \(\binom{6}{3}=20\).
Exam Tip
कोई गणित पुस्तक नहीं का अर्थ (3) अंग्रेजी पुस्तकें चुनना है। तरीके \(\binom{6}{3}=20\) हैं।
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