Saturday, January 23, 2016

Brain Teaser for 1/23/2016


1. Find a five-digit number in which the last number is the sum of the first, second, and third; the third is four less than the last; the fourth is two less than the last; and the first and fourth added are one less than the last. The last number is also three times the second.

2. What is the smallest integer that can be expressed as the sum of two squares in three different ways? The answer is less than 500.
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