DAY 170:

Today’s Challenge

Study the seven clues and place the numbers 1-9 into the nine positions on this 3 by 3 grid. Each number should appear exactly once:

x              x              x

x              x              x

x              x              x

Clues:

  1.  The 8 is directly above the 5,
  2.  The 6 is further right than the 7,
  3.  The 7 is further right than the 1,
  4.  The 1 is lower than the 5,
  5.  The 5 is further right than the 9,
  6.  The 3 is higher than the 9 and further right than the 2,
  7.  The 4 is higher than the 7 and further right than the 8.

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 2nd & 7th rows contain the following fourteen numbers:

4    8    11    17    24    27    28    30    48    55    63    64    70    77

What is the difference between the highest and lowest even numbers?

Make 170 Challenge

Can you arrive at 170 by inserting 5, 9, 15 and 20 into the gaps below?

◯+◯×◯–◯ = 170

Answers can be found here.

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