RRB Technician Grade 3 previous year question
Refer to the following series and answer the question. (All numbers are single-digit numbers only. Counting to be done from left to right.) (Left) 2 4 9 6 7 1 4 6 3 9 5 2 4 8 6 1 3 2 7 6 2 5 8 1 (Right). How many such odd digits are there, each of which is immediately preceded by an odd digit and immediately followed by an even digit?
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 2) · Reasoning
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Correct answer: (D) Three
Scanning the digit series, an odd digit that is immediately preceded by an odd digit and immediately followed by an even digit occurs at exactly three positions in the sequence.
हिंदी में प्रश्न
निम्नलिखित श्रृंखला का संदर्भ लीजिए और नीचे दिए गए प्रश्न का उत्तर दीजिए। (सभी संख्याएं केवल एकल अंकीय संख्याएं हैं। गणना केवल बाएं से दाएं की जानी है।) (बाएं) 2 4 9 6 7 1 4 6 3 9 5 2 4 8 6 1 3 2 7 6 2 5 8 1 (दाएं)। ऐसे कितने विषम अंक हैं, जिनमें से प्रत्येक से ठीक पहले एक विषम अंक है और उसके ठीक बाद एक सम अंक आता है?
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उत्तर और व्याख्या देखें
सही उत्तर: (D) तीन
अंक श्रृंखला को देखने पर, ऐसा विषम अंक जिसके ठीक पहले विषम अंक हो और ठीक बाद सम अंक हो, श्रृंखला में ठीक तीन स्थानों पर आता है।
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