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Which of the following situations represents the amount received each day as an arithmetic progression (AP)?निम्नलिखित में से कौन-सी स्थिति प्रतिदिन प्राप्त राशि को एक समान्तर श्रेणी (AP) के रूप में दर्शाती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ₹100 is received on the first day, and ₹25 more is received each following day.पहले दिन ₹100 मिलते हैं और प्रत्येक अगले दिन ₹25 अधिक मिलते हैं।
In option B, the amounts are 100, 125, 150, 175, …, so the difference between consecutive terms is always ₹25. An AP requires a constant difference. Option A has a constant ratio, not a constant difference. Exam tip: compare consecutive differences.विकल्प B में राशियाँ 100, 125, 150, 175, … होंगी और प्रत्येक क्रमागत राशि का अंतर ₹25 है। AP में अंतर स्थिर होना चाहिए। विकल्प A में अनुपात स्थिर है, अंतर नहीं। परीक्षा टिप: लगातार दो पदों का अंतर जाँचें।
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