DAY 207

Today’s Challenge

List the first seven 3-digit numbers that do not contain a 0, 1 or 2 as part of their number. What is your total of these seven numbers?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 2nd & 5th rows of the playing board contain the following fourteen numbers:

6     7     8     16     17     21     28     48     50     55     63     64     81     84

Which two numbers, when each is doubled, become square numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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