Free GMAT Practice Question

Jack, Tom, Beth, and Ruth each have a number of marbles, but no two of them have the same number of marbles. Jack has 10 marbles, the least, while Tom has 27 marbles, the highest number of marbles.

Select Maximum for the maximum possible arithmetic mean of the marbles with them and select Minimum for the minimum possible arithmetic mean of the marbles with them.

Make only two selections, one in each column.