Today’s Challenge
. . . is a number trail involving ten arithmetical steps. You can time yourself, but more importantly be careful with your calculations. No calculators please!
Start with the number 40, then:
- multiply by 4
- +10%
- subtract 15
- divide by seven
- add nine
- 1/2 of this
- +87
- double this
- –96
- ÷10
What is your final answer?
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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 & 4th columns of the playing board contain the following fourteen numbers:
3 6 13 20 21 22 27 42 55 56 60 63 72 77
What is the product of the highest number and lowest number?
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Answers
. . . can be found when clicking this.
