perplexus.info :: Just Math : The box

The box (Posted on 2009-01-02)

A box has integer dimensions, and when each one is increased by 2, its volume doubles. What is the largest possible dimension?

See The Solution Submitted by pcbouhid

Rating: 5.0000 (1 votes)

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Simple stupid way?

| Comment 5 of 7 |

Why can't we approach this in a simple stupid way:

l - Length of each dimension (same since it is a box)
n - Number of dimensions

and then solve following equation

(l+2)ⁿ = 2lⁿ

Posted by elementofsurprize on 2009-01-03 08:24:22

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