RRB JE practice question
Find the missing term in the series: L1, N3, P9, R27, ?
From a RRB JE Reasoning practice set · Reasoning
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Correct answer: (B) T81
Pattern: the letter advances by 2 and the number is multiplied by 3 at each step (starting at 1). The complete series is L1, N3, P9, R27, T81, so the missing term is T81.
हिंदी में प्रश्न
श्रृंखला में लुप्त पद ज्ञात कीजिए: L1, N3, P9, R27, ?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) T81
नियम: अक्षर प्रत्येक बार 2 आगे बढ़ता है और संख्या प्रत्येक चरण में 3 से गुणा होती है (1 से प्रारंभ)। पूरी श्रृंखला L1, N3, P9, R27, T81 है, अतः लुप्त पद T81 है।
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