This number puzzle from the American 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 these seven numbers exactly once each, with + – × ÷ available to use in your calculation, can you arrive at the target number of 100?
. . . can be found when clicking this.