DAY 101:

Today’s Challenge

Using each of the numbers 0.5, 1, 1.5 and 2 once each, with the four arithmetical operations – × ÷ available, can you arrive at the target answer of 7?

For the number puzzle enthusiast, can you find a second way of making 7?

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

When 19 is added to each number above, which three numbers become square numbers?

Make 101 Challenge

Can you arrive at 101 by inserting 5, 8, 10 and 11 into the gaps on each line?

  •  ◯×◯–(◯–◯)² = 101
  •  (+◯)×◯+ = 101
  •  ◯×+◯+double = 101

Answers can be found here.

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