\( \frac{7!}{2!\cdot5!}+\frac{8!}{2!\cdot6!} \) का मान क्या है?

What is the value of \( \frac{7!}{2!\cdot5!}+\frac{8!}{2!\cdot6!} \)?

Explanation opens after your attempt
Correct Answer

B. (49)

Step 1

Concept

The first term is (21) and the second is (28), so the sum is (49). Recognize small combination values quickly.

Step 2

Why this answer is correct

The correct answer is B. (49). The first term is (21) and the second is (28), so the sum is (49). Recognize small combination values quickly.

Step 3

Exam Tip

पहला पद (21) और दूसरा (28), इसलिए योग (49) है। छोटे संयोजन मानों को तेज़ी से पहचानें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

\( \frac{7!}{2!\cdot5!}+\frac{8!}{2!\cdot6!} \) का मान क्या है? / What is the value of \( \frac{7!}{2!\cdot5!}+\frac{8!}{2!\cdot6!} \)?

Correct Answer: B. (49). Explanation: पहला पद (21) और दूसरा (28), इसलिए योग (49) है। छोटे संयोजन मानों को तेज़ी से पहचानें। / The first term is (21) and the second is (28), so the sum is (49). Recognize small combination values quickly.

Which concept should I revise for this Mathematics MCQ?

The first term is (21) and the second is (28), so the sum is (49). Recognize small combination values quickly.

What exam hint can help solve this Mathematics question?

पहला पद (21) और दूसरा (28), इसलिए योग (49) है। छोटे संयोजन मानों को तेज़ी से पहचानें।