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What is the value of \(2!\times5!\)?\(2!\times5!\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 240240
By factorial notation, \(2!=2\times1=2\) and \(5!=5\times4\times3\times2\times1=120\). Therefore, \(2!\times5!=2\times120=240\), so option C is correct. Option A is only the value of \(5!\); it does not include multiplication by \(2!\). Exam tip: Evaluate each factorial first, then perform the required operation.क्रमगुणित के अनुसार \(2!=2\times1=2\) तथा \(5!=5\times4\times3\times2\times1=120\)। अतः \(2!\times5!=2\times120=240\), इसलिए सही विकल्प C है। विकल्प A केवल \(5!\) का मान है; उसमें \(2!\) से गुणा नहीं किया गया है। परीक्षा टिप: क्रमगुणित वाले प्रश्नों में पहले प्रत्येक क्रमगुणित का मान निकालकर फिर गुणा करें।
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