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A student solved (x) questions. For each correct question, (x) marks were given and the total became (121) marks. What is (x)?एक छात्र ने (x) प्रश्न हल किए। प्रत्येक सही प्रश्न के लिए (x) अंक मिले और कुल (121) अंक बने। (x) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (11)(11)
Total marks are (x \times x=x^2), so (x^2=121) and (x=11). In context, the number of questions is positive.कुल अंक (x \times x=x^2) हैं, इसलिए (x^2=121) और (x=11)। संदर्भ में प्रश्नों की संख्या धनात्मक होती है।
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