From the following Octaplus clues, find the values of the letters A to H, each of which contains a different whole number in the range 1-30:
- A is ten lower than the value of G, but three higher than C,
- C is half the value of B,
- B is six lower than H, but three higher than E,
- E is three times the value of F,
- F is three lower than D,
- D is five lower than A.
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 & 3rd columns of the playing board contain the following fourteen numbers:
4 12 13 15 17 21 22 27 35 55 56 60 80 81
Which four different numbers have a sum of exactly 100?
Make 354 Challenge
Can you arrive at 354 by inserting 2, 3, 4, 5 and 10 into the gaps below?
(◯×◯–◯)²+(◯×◯) = 354
Answers can be found here.
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