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If the sum of the first (n) natural numbers is (2016), what is the value of (n)?यदि पहली (n) प्राकृतिक संख्याओं का योग (2016) है तो (n) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (63)(63)
(S_{63}=\frac{63\times64}{2}=2016), so (n=63). Match (2S_n) with the product of two consecutive numbers.(S_{63}=\frac{63\times64}{2}=2016) इसलिए (n=63) है। (2S_n) को दो क्रमागत संख्याओं के गुणनफल से मिलाएं।
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