\( \frac{22!}{20!}\div\frac{11!}{9!} \) का सरल मान क्या है?
What is the simplified value of \( \frac{22!}{20!}\div\frac{11!}{9!} \)?
Explanation opens after your attempt
B. \(\frac{21}{5}\)
Concept
The value is \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \). Expand and cancel both ratios in division.
Why this answer is correct
The correct answer is B. \(\frac{21}{5}\). The value is \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \). Expand and cancel both ratios in division.
Exam Tip
मान \( \frac{22\cdot21}{11\cdot10}=\frac{21}{5} \) है। भाग में दोनों अनुपातों को फैलाकर काटें।
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