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If (S_n-S_{n-1}=154) and (S_m=7503), what is (n-m)?यदि (S_n-S_{n-1}=154) और (S_m=7503) है तो (n-m) कितना है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (31)(31)
First (n=154), and (S_m=7503) gives (m=122), so (n-m=32). The difference of consecutive sums gives the index.पहले (n=154) और (S_m=7503) से (m=122), इसलिए (n-m=32)। लगातार योगों का अंतर सूचकांक देता है।
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