RRB NTPC CBT-1 previous year question
Each vowel in the word RADULAE is changed to the letter immediately following it in the English alphabetical order, and each consonant is changed to the letter immediately preceding it in the English alphabetical order. How many letters will appear exactly twice in the new group of letters thus formed?
Asked in RRB NTPC 2026 — 14 June Shift 3 · Reasoning
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Correct answer: (C) One
Shifting vowels forward and consonants backward in RADULAE gives R->Q, A->B, D->C, U->V, L->K, A->B, E->F, forming QBCVKBF; the letter B appears exactly twice, so the count of letters appearing exactly twice is one, i.e. option 'One'.
हिंदी में प्रश्न
शब्द RADULAE के प्रत्येक स्वर को अंग्रेज़ी वर्णमाला क्रम में उसके ठीक बाद वाले अक्षर से बदल दिया गया है और प्रत्येक व्यंजन को अंग्रेज़ी वर्णमाला क्रम में उसके ठीक पहले वाले अक्षर से बदल दिया गया है। इस प्रकार Ft अक्षरों के नए समूह में, कितने अक्षर SIH दो बार दिखाई देगे?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
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सही उत्तर: (C) तीन
RADULAE में स्वरों को आगे और व्यंजनों को पीछे खिसकाने पर R->Q, A->B, D->C, U->V, L->K, A->B, E->F मिलते हैं, जिससे QBCVKBF बनता है; अक्षर B ठीक दो बार आता है, इसलिए ठीक दो बार आने वाले अक्षरों की गिनती एक है, अर्थात विकल्प 'एक'।
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