DAY 358:

Today’s Challenge

The American maths card game, 24game, can be both frustrating and addictive.

Your task is to arrive at the target answer of 24 by using the four digits shown in each group below, just once each per calculation.  You also have + – × ÷ available to use.

From the three groups of numbers, it is possible to reach 24 with two of them, but one group is impossible. Which of these groups of numbers cannot make 24?

  •   2    3    3    4
  •   2    3    3    5
  •   2    3    3    6

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 1st column of the playing board contains the following seven numbers:

13       21       22       27       55       56       60

Using all seven numbers exactly once each, with + – × ÷ available to use in your calculation, can you arrive at the target number of 100?

Make 358 Challenge

Can you arrive at 358 by inserting 1, 2, 3, 4 and 6 into the gaps below?

◯⁵+◯⁴+◯³+◯²–◯ = 358

Answers can be found here.

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

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