मान \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \) है। भाग में दोनों अनुपातों को फैलाकर काटें। / The value is \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \). Expand and cancel both ratios in division.
Mathematics Answer, Explanation and Revision Hints
\( \frac{22!}{20!}\div\frac{11!}{9!} \) का सरल मान क्या है? / What is the simplified value of \( \frac{22!}{20!}\div\frac{11!}{9!} \)?
Correct Answer: B. \(\frac{21}{5}\). Explanation: मान \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \) है। भाग में दोनों अनुपातों को फैलाकर काटें। / The value is \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \). Expand and cancel both ratios in division.
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