Today’s Challenge
Here’s a 2-part, 7-step number trail involving all four arithmetical operations.
Part 1: Start with the number 15, then:
- –1
- +2
- ×3
- ÷4
- +5
- –6
- ×7
What is your final answer?
Part 2: If, when using the seven arithmetical steps as above, your final answer was 3.5, what must your starting number have been?
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The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84.
The 2nd & 6th rows contain the following fourteen numbers:
5 8 12 17 18 20 28 33 48 49 55 56 63 64
Which number, when 11 is added to it, becomes a square number?
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Answers
. . . can be found when clicking this.
