RBI Assistant Prelims practice question
Which letter-cluster will complete the given series? QQKKKW, QQQKKKKKWWWW, QQQQKKKKKKKWWWWWWWWW, ?
From a RBI Assistant Prelims Reasoning practice set · Reasoning
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Correct answer: (C) QQQQQKKKKKKKKKWWWWWWWWWWWWWWWW
Count each letter in every term — Q: 2, 3, 4 (+1 each time); K: 3, 5, 7 (+2 each time); W: 1, 4, 9 (perfect squares). So the next term has Q×5, K×9, W×16 → QQQQQKKKKKKKKKWWWWWWWWWWWWWWWW.
हिंदी में प्रश्न
कौन-सा अक्षर-समूह दी गई श्रृंखला को पूरा करेगा? QQKKKW, QQQKKKKKWWWW, QQQQKKKKKKKWWWWWWWWW, ?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) QQQQQKKKKKKKKKWWWWWWWWWWWWWWWW
प्रत्येक पद में हर अक्षर की गिनती कीजिए — Q: 2, 3, 4 (प्रत्येक बार +1); K: 3, 5, 7 (प्रत्येक बार +2); W: 1, 4, 9 (पूर्ण वर्ग)। अतः अगले पद में Q×5, K×9, W×16 → QQQQQKKKKKKKKKWWWWWWWWWWWWWWWW।
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