DAY 23:

Today’s Challenge

To solve this Octaplus puzzle, find the values of eight letters, A to H, from the given clues. Each letter contains a different whole number in the range 1-50:

  1.  B minus E is either 14 or 15,
  2.  C is one-quarter of B,
  3.  F is one-seventh of E,
  4.  D is half of B,
  5.  G is H plus C,
  6.  one-third of E is an odd number,
  7.  H is one-third of D,
  8.  A is 150 minus the sum of the other seven numbers.

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 & 4th rows of the playing board contain the following fourteen numbers:

3   8   10   17   28   32   35   44   48   54   55   60   63   64

How many square numbers are listed?

Make 23 Challenge

Can you arrive at 23 by inserting 2, 3, 4 and 6 into the gaps on each line?

  •  ◯×◯–(◯–◯) = 23
  •  (◯³–◯×◯)÷◯ = 23
  •  (◯²+◯)–(◯³+◯²) = 23

Answers can be found here.

Click Paul Godding for details of online maths tuition. Wherever you are in the world, please get in touch.

This entry was posted in 7puzzleblog.com. Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *