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# [Smart Math] Geometry Problem 15

Here’s and example of a SMART MATH problem for GEOMETRY.

### Problem

A rectangular bin 4 feet long, 3 feet wide and 2 feet high is solidly packed with bricks of dimensions 8 inches, 4 inches and 2 inches. Find the maximum number of bricks that can go in the bin.

1. 54
2. 320
3. 648
4. 848
5. cannot be determined

The Usual Method

The maximum number of bricks that can go in the bin =

$\frac{4\times 12\times 3\times 12\times 2\times 12}{8\times 4\times 2}=648$

(Ans: 3)

Estimated Time to arrive at the answer = 30 seconds.

Using Technique