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How much equal decrease is there in the sequence (16,12,8,4,\ldots)?अनुक्रम (16,12,8,4,\ldots) में कितनी समान कमी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 44
Each successive term is 4 less than the preceding term: 12−16=−4, 8−12=−4, and 4−8=−4. Therefore, the magnitude of the equal decrease is 4. Note that the common difference of the AP is −4, whereas the decrease asked here is 4. Exam tip: subtract consecutive terms to verify the equal decrease.प्रत्येक क्रमागत पद पिछले पद से 4 कम है: 12−16=−4, 8−12=−4 और 4−8=−4। इसलिए समान कमी का परिमाण 4 है। ध्यान दें कि एपी का सार्व अंतरांक −4 होगा, जबकि प्रश्न में पूछी गई कमी 4 है। परीक्षा-युक्ति: लगातार दो पदों का अंतर निकालकर समान कमी जाँचें।
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