RRB Technician Grade 3 previous year question
Refer to the following series and answer the question (All numbers are single-digit numbers only. Counting is to be done from left to right.) (Left) 7 9 8 5 1 8 4 3 5 6 9 7 4 5 2 4 1 3 4 8 7 6 4 (Right). How many such odd digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
Asked in RRB Technician Grade 3 (06 Mar 2026 Shift 2) · Reasoning
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Correct answer: (A) More than three
Scanning the series for odd digits preceded by an even digit and followed by an odd digit finds four such positions, which counts as 'more than three'.
हिंदी में प्रश्न
निम्नलिखित श्रृंखला का संदर्भ लीजिए और नीचे दिए गए प्रश्न का उत्तर दीजिए। (सभी संख्याएं केवल एकांकीय संख्याएं हैं। गणना केवल बाएं से दाएं की जानी है।) (बाएं) 7 9 8 5 1 8 4 3 5 6 9 7 4 5 2 4 1 3 4 8 7 6 4 (दाएं)। ऐसे कितने विषम अंक हैं जिनमें से प्रत्येक के ठीक पहले एक सम अंक और ठीक बाद एक विषम अंक भी आता है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) तीन से अधिक
श्रृंखला में उन विषम अंकों को खोजने पर जिनसे पहले सम अंक और बाद में विषम अंक हो, चार ऐसी स्थितियाँ मिलती हैं, जो 'तीन से अधिक' में गिना जाता है।
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