निम्नलिखित अक्षर श्रृंखला को देखें और प्रश्न का उत्तर दें। (गिनती केवल बाएँ से दाएँ की जानी है): (बायाँ) E G I K M O Q A U W Y A C D F H J L N P R T V X Z (दायाँ) ऐसे कितने व्यंजन हैं, जिनमें से प्रत्येक के ठीक पहले एक स्वर है और ठीक बाद भी एक स्वर है?

Refer to the following number series and answer the question. (Left) 2 8 9 3 5 7 6 3 1 4 8 9 3 5 1 5 6 2 1 4 7 5 2 3 8 2 9 (Right) How many such odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an even digit?

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? CAR78, GEV86, KIZ94, OMD102, ?