G is the uncle of H. H is the daughter of J. How is J related to G?

B. SISTER

K is the grandmother of L. M is the father of L. How is M related to K?

C. SON-IN-LAW

N is the sister of O. P is the brother of N. How is P related to O?

A. BROTHER

In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is taller than Bob but shorter than Charlie. David is shorter than Eva but taller than Bob. Who is the tallest among them?

B. CHARLIE

A box contains red, blue, and green balls. If there are twice as many red balls as blue balls and three times as many green balls as red balls, which color has the least number of balls?

B. BLUE