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On a road the first gap between poles is (30) metres and each next gap increases by (6) metres. What is the total distance of the first (14) gaps?एक सड़क पर खंभों के बीच पहली दूरी (30) मीटर है और हर अगली दूरी (6) मीटर बढ़ती है। पहले (14) अंतरों की कुल दूरी कितनी होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (966)(966)
The distances are (30,36,42,\ldots) and (S_{14}=966). Exam tip: take the number of gaps as the number of terms.दूरियां (30,36,42,\ldots) हैं और (S_{14}=966)। परीक्षा में अंतरालों की संख्या को पदों की संख्या मानें।
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