निम्नलिखित संख्या श्रृंखला में ऐसे कितने 2 हैं जिनके ठीक पहले 3 नहीं है, लेकिन ठीक बाद में 4 है? 3 4 2 4 4 2 3 2 4 3 4 2 3 4 4 2 3 2 4 2 4 3 2 4

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

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