DAY 148:

Today’s Challenge

Which is the lowest whole number that is not a multiple of 5, 6, 7, 11 or 13 nor a prime number, square number or cube number?

The 7puzzle Challenge

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

The 2nd & 6th rows of the playing board contain the following fourteen numbers:

5    8    12    17    18    20    28    33    48    49    55     56    63    64

From the above list, what is the sum of the multiples of 7?

Answers can be found here.

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