RRB Technician Grade 3 previous year question
What should come in place of '?' in the given series? 47 54 63 70 79 ?
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 1) · Reasoning
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Correct answer: (C) 86
The differences between consecutive terms alternate as 7, 9, 7, 9: 47→54(+7), 54→63(+9), 63→70(+7), 70→79(+9). Continuing the pattern, the next difference is +7, giving 79+7 = 86.
हिंदी में प्रश्न
दी गई श्रृंखला में '?' के स्थान पर क्या आना चाहिए? 47 54 63 70 79 ?
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उत्तर और व्याख्या देखें
सही उत्तर: (C) 86
क्रमागत पदों के बीच अंतर बारी-बारी से 7, 9, 7, 9 होता है: 47→54(+7), 54→63(+9), 63→70(+7), 70→79(+9)। पैटर्न जारी रखने पर अगला अंतर +7 है, जिससे 79+7=86 प्राप्त होता है।
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