GRE Question of the Day (December 6th)

Math

Ramon wants to cut a rectangular board into identical square pieces. If the board is 18 inches by 30 inches, what is the least number of square pieces he can cut without wasting any of the board?

(A) 4
(B) 6
(C) 9
(D) 12
(E) 15

Correct Answer - E  - (click and drag your mouse to see the answer)

Question Discussion & Explanation