If the letter 'X' is the 24th letter of the alphabet, what is the 24th letter before 'X'?

A. T

In the sequence 2, 4, 6, 8, 10, 12, how many times does the number 6 appear?

A. 1

If X is the daughter of Y, and Y is the sister of Z, what is the relationship of X to Z?

A. NIECE

Feline is to Cat as Canine is to ?

A. DOG

In the sequence 1, 3, 6, 10, what is the next number?

A. 15