RRB NTPC CBT-1 previous year question
What should come in place of the question mark (?) in the given series? 17 40 61 80 97 112 ?
Asked in RRB NTPC 2026 — 14 June Shift 1 · Reasoning
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Correct answer: (A) 125
The differences between consecutive terms are 23, 21, 19, 17, 15, 13, decreasing by 2 each time. So the next term = 112+13 = 125.
हिंदी में प्रश्न
दी गई श्रृंखला में प्रश्न-चिन्ह (?) के स्थान पर क्या आएगा? 17 40 61 80 97 112 ?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 122
क्रमागत पदों के बीच अंतर 23, 21, 19, 17, 15, 13 हैं, जो हर बार 2 से घटते हैं। अतः अगला पद = 112+13 = 125।
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