Problem:
Figure is called a "stack map." The numbers tell how many cubes are stacked in each position. Fig. shows these cubes, and Fig. shows the view of the stacked cubes as seen from the front.
Which of the following is the front view for the stack map in Fig.
Answer Choices:
A.
Solution:
The front view shows the larger of the numbers of cubes in the front or back stack in each column. Therefore the desired front view will have, from left to right, , and cubes. This is choice .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions