\( \frac{11!}{8!}-\frac{10!}{7!} \) का मान क्या है?

What is the value of \( \frac{11!}{8!}-\frac{10!}{7!} \)?

Explanation opens after your attempt
Correct Answer

C. (360)

Step 1

Concept

\(11\cdot10\cdot9=990\) and \(10\cdot9\cdot8=720\), so the difference is (270). Expand three consecutive factors.

Step 2

Why this answer is correct

The correct answer is C. (360). \(11\cdot10\cdot9=990\) and \(10\cdot9\cdot8=720\), so the difference is (270). Expand three consecutive factors.

Step 3

Exam Tip

\(11\cdot10\cdot9=990\) और \(10\cdot9\cdot8=720\), इसलिए अंतर (270) है। लगातार तीन गुणकों का विस्तार करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

\( \frac{11!}{8!}-\frac{10!}{7!} \) का मान क्या है? / What is the value of \( \frac{11!}{8!}-\frac{10!}{7!} \)?

Correct Answer: C. (360). Explanation: \(11\cdot10\cdot9=990\) और \(10\cdot9\cdot8=720\), इसलिए अंतर (270) है। लगातार तीन गुणकों का विस्तार करें। / \(11\cdot10\cdot9=990\) and \(10\cdot9\cdot8=720\), so the difference is (270). Expand three consecutive factors.

Which concept should I revise for this Mathematics MCQ?

\(11\cdot10\cdot9=990\) and \(10\cdot9\cdot8=720\), so the difference is (270). Expand three consecutive factors.

What exam hint can help solve this Mathematics question?

\(11\cdot10\cdot9=990\) और \(10\cdot9\cdot8=720\), इसलिए अंतर (270) है। लगातार तीन गुणकों का विस्तार करें।