This question is based on the following letter/symbol/number sequence. Study it carefully and answer the question: M 3 R # A P 4 9 @ K D 1 U H 5 2N W E Q 6 T V 7 * 8 B X What will come next in the following sequence? MRP, 9KU, 52W, ?

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, ?