Teacher is to Educate as Doctor is to ?

A. HEAL

A group of friends, X, Y, Z, and W, are watching a movie. X starts watching before Y but after Z. W starts watching last. What is the correct order of watching the movie?

A. Z, X, Y, W

In the series A, C, E, G, I, what is the 4th letter?

A. G

What is the next letter in the series: K, M, O, Q, ?

A. R

What is the missing number in the series: 2, 6, 12, 20, ?, 42

B. 32