In the series 2, 4, 8, 16, what is the next number?

C. 32

In a sequence where each term is the sum of the previous two terms, if the first term is 2 and the second term is 3, what is the fifth term?

A. 13

If 'APPLE' is to '13512' and 'BANANA' is to '214141', what is the code for 'GRAPE'?

B. 71815

In the sequence 3, 6, 12, 24, what is the next number?

C. 48

If the sequence is A, C, E, G, what is the next letter?

B. H