Find the odd one out in the series: A, C, E, G, I, K, M, O, Q, R

D. R

In the sequence 4, 8, 12, 16, 20, 24, how many times does the number 16 occur?

A. 1

If the code for 'CAT' is 12, 15, 18 and the code for 'DOG' is 14, 16, 20, what is the code for 'BIRD'?

C. 9, 11, 13, 15

In the sequence 0, 1, 2, 3, 4, 5, how many times does the number 2 occur?

A. 1

Complete the series: m, o, q, s, ?

A. T