Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
P7K, R12P, T19U, V28Z, ?
1
X39E
2
X37D
3
X39D
4
X37E
Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
P7K, R12P, T19U, V28Z, ?