DAY 256:

Today’s Challenge

Start at 7 and subtract 0.1, then 0.2, then 0.3 . . . and so on.  What is the first answer less than 1 you will arrive at, followed by the first negative number?

The 7puzzle Challenge

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

The 3rd & 7th rows contain the following fourteen numbers:

4    11    13    24    25    27    30    36    42    45    66    70    77    80

How many multiples of 3 are listed?

Make 256 Challenge

Can you arrive at 256 by inserting 2, 3, 4, 5 and 6 into the gaps below?

◯³×◯²×√(◯+◯–◯) = 256

Answers can be found here.

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