Which word is placed last in alphabetical order: Zebra, Yak, Xylophone, Whale?

C. ZEBRA

How many times does the letter 'A' appear in the series: A, B, C, A, D, A, E?

B. 3

Arrange the following words in alphabetical order: Apple, Banana, Apricot, Cherry.

B. APRICOT

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

B. H

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

C. 32