DAY 33:

Today’s Challenge

Using the three numbers 3, 6 and 9 just once each, with + – × ÷ available, THREE of the following target numbers are not possible to make. What is the sum of these three numbers?

3     6     9     12     15     18     21     24     27     30     33     36

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 5th & 7th rows of the playing board contain the following fourteen numbers:

4   6   7   11   16   21   24   27   30   50   70   77   81   84

Which number on the list, when multiplied by 5, has its result also on the list?

Make 33 Challenge

Can you arrive at 33 by inserting 2, 3, 4 and 5 into the gaps on each line?

  •  (◯++◯)× = 33
  •  (◯+)×◯– = 33
  •  (³+◯–◯)÷◯ = 33

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Your email address will not be published.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 *