Identify the odd pair of numbers from the following options.

C. (12, 18)

If today is March 15, 2023, what will be the date 45 days from today?

A. APRIL 29, 2023

In a coding system, 'FISH' is represented as '614891'. What is the code for 'BIRD' if 'B' is 2, 'I' is 9, 'R' is 18, and 'D' is 4?

A. 29184

Happy, Joyful, Elated

D. ECSTATIC

Fast, Quick, Rapid

B. SWIFT