\( \frac{13!}{10!\cdot3!}-\frac{12!}{9!\cdot3!} \) का मान क्या है?
What is the value of \( \frac{13!}{10!\cdot3!}-\frac{12!}{9!\cdot3!} \)?
Explanation opens after your attempt
B. (66)
Concept
The first term is (286) and the second is (220), so the difference is (66). In such questions, write each term value and subtract.
Why this answer is correct
The correct answer is B. (66). The first term is (286) and the second is (220), so the difference is (66). In such questions, write each term value and subtract.
Exam Tip
पहला पद (286) और दूसरा (220) है, इसलिए अंतर (66) है। ऐसे प्रश्नों में हर पद का मान लिखकर घटाएं।
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