Solve this Octaplus puzzle by finding the values of the eight letters, A to H, from the given clues. Each letter contains a different whole number in the range 1-32:
- D minus B is an even number,
- a third of D is an even number,
- G minus B is either 16 or 17,
- C is half of G, and E is half of C
- H is a third of B,
- D is equal to C plus H,
- F is either 18 or 20,
- A is 120 minus the sum of the other seven numbers.
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 1st & 5th rows contain the following fourteen numbers:
2 6 7 9 14 15 16 21 22 40 50 72 81 84
Which three different numbers from the list have a sum of 77?
Make 54 Challenge
Can you arrive at 54 by inserting 2, 5, 8 and 12 into the gaps on each line?
- ◯×◯+◯+◯ = 54
- ◯×◯+◯–◯ = 54
- (◯–◯)×◯–◯ = 54
- (³√◯+◯÷◯)×◯ = 54
Answers can be found here.
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