निम्नलिखित संख्या श्रृंखला को देखिए और नीचे दिए गए प्रश्न का उत्तर दीजिए। गणना केवल बाईं ओर से दाईं ओर की जानी है। (सभी संख्याएं केवल एकल अंक वाली संख्याएं हैं।) (बायां) 4 9 2 4 6 8 9 4 3 2 8 3 8 4 6 5 1 2 8 4 7 2 8 5 7 3 7 4 8 7 (दायां) ऐसे कितने 8 हैं, जिनमें से प्रत्येक के ठीक पहले एक सम संख्या है और ठीक बाद में एक विषम संख्या है?

Refer to the given series and answer the question that follows. All numbers are single-digit numbers only. Counting to be done from left to right. (Left) 3 8 1 5 7 2 9 4 6 3 7 2 8 1 5 9 4 6 8 2 7 3 9 1 6 (Right) How many such even digits are there, each of which is immediately preceded by an even digit and also immediately followed by an odd digit?

Refer to the following number series and answer the question that follows. Counting to be done from left to right. (All numbers are single-digit numbers only.) (Left) 1 7 6 2 9 4 3 8 5 2 6 3 7 8 9 2 5 1 4 7 6 3 2 9 5 4 1 8 (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?