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What is the sum of the first (10) natural numbers?पहले (10) प्राकृतिक संख्याओं का योग क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (55)(55)
Using (S_n=\frac{n(n+1)}{2}), (S_{10}=\frac{10\cdot11}{2}=55). In exams, put the correct value of (n).सूत्र (S_n=\frac{n(n+1)}{2}) से (S_{10}=\frac{10\cdot11}{2}=55)। परीक्षा में (n) की जगह सही संख्या रखें।
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