In a coding scheme, 'FISH' is coded as 23, 18, 15, 12. If 'BIRD' is coded as 10, 14, 12, 16, what is the code for 'WATER'?

A. 22, 20, 18, 16, 14

What is the next letter in the series: A, C, E, G, ?

A. I

In the sequence 2, 4, 8, 16, ?, 64, what is the missing number?

A. 32

If the pattern is 1, 4, 9, ?, 25, what number should replace the question mark?

A. 16

Select the odd group of numbers from the following options.

D. 8, 10, 12