Refer to the following number series and answer the given question. (All…
Refer to the following number series and answer the given question. (All numbers are single-digit numbers only and counting is to be done from left to right only.)
निम्नलिखित संख्या-श्रृंखला को ध्यानपूर्वक पढ़िए और दिए गए प्रश्न का उत्तर दीजिए। (सभी संख्याएँ एक-अंकीय हैं तथा गणना बाएँ से दाएँ की जानी है।)
(left) 7 9 8 9 4 8 5 6 8 7 2 2 6 7 1 7 8 4 8 2 5 5 1(right)
How many odd numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an odd number?
ऐसी कितनी विषम संख्याएँ हैं, जिनके ठीक पहले भी एक विषम संख्या हो तथा ठीक बाद भी एक विषम संख्या हो?
Detailed Solution & Logic
Two / दो
Solution:
श्रृंखला: 7 9 8 9 4 8 5 6 8 7 2 2 6 7 1 7 8 4 8 2 5 5 1
हमें ऐसी विषम संख्या खोजनी है जिसके ठीक पहले और ठीक बाद दोनों विषम संख्याएँ हों।
जाँच:
- 9 → पहले 7 (विषम), बाद में 8 (सम)
- 9 → पहले 8 (सम), बाद में 4 (सम)
- 7 → पहले 6 (सम), बाद में 2 (सम)
- 7 → पहले 6 (सम), बाद में 1 (विषम)
- 1 → पहले 7 (विषम), बाद में 7 (विषम)
- 7 → पहले 1 (विषम), बाद में 8 (सम)
- 5 → पहले 2 (सम), बाद में 5 (विषम)
- 5 → पहले 5 (विषम), बाद में 1 (विषम)
- 1 → पहले 5 (विषम), लेकिन इसके बाद कोई संख्या नहीं है
इस प्रकार ऐसी 2 विषम संख्याएँ हैं।
Answer: Two / दो (Option 1)
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