यदि शब्द 'SHIPBOARD' में प्रत्येक व्यंजन (consonant) को अंग्रेजी वर्णमाला श्रृंखला के पिछले अक्षर से बदल दिया जाए और प्रत्येक स्वर (vowel) को अगले अक्षर से बदल दिया जाए, तो निम्नलिखित में से कौन सा अक्षर दाईं ओर से चौथा होगा?

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, ?