DAY 209

Today’s Challenge

. . . is very famous in Japan having been used as part of a TV advert for Google’s Nexus 7 tablet.  Click this YouTube link for a browse.

Using the numbers 1, 1, 5 and 8 exactly once each, with + – × and ÷ available, can you beat this tricky Japanese challenge by arriving at the target answer 10?

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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

How many more even numbers than odd numbers are listed above?

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Answers

. . . can be found when clicking this.

7puzzleblog

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