Mathematics Answer, Explanation and Revision Hints
\(\frac{22!-21!}{20!}\) का मान क्या है? / What is the value of \(\frac{22!-21!}{20!}\)?
Correct Answer: B. (441). Explanation: (22!-21!=21!(22-1)) होता है। (20!) से भाग देने पर \(21\times21=441\) मिलता है। / (22!-21!=21!(22-1)). Dividing by (20!) gives \(21\times21=441\).
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