DAY 197:

Today’s Challenge

There is just one set of three consecutive numbers in ascending order whose sum is less than 50 and follow this sequence:

  • prime number – cube number – square number

What is the sum of these three numbers?

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 6th & 7th rows of the playing board contain the following fourteen numbers:

4    5    11    12    18    20    24    27    30    33    49    56    70    77

What is the sum of the multiples of 11?

Make 197 Challenge

Can you arrive at 197 by inserting 1, 3, 11 and 15 into the gaps below?

◯×(◯+◯)–◯ = 197

Answers can be found here.

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