Today’s Challenge
There is just one set of three consecutive numbers in ascending order whose sum is less than 50 and follow this sequence:
- prime number – cube number – square number
What is the sum of these three numbers?
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 6th & 7th rows of the playing board contain the following fourteen numbers:
4 5 11 12 18 20 24 27 30 33 49 56 70 77
What is the sum of the multiples of 11?
Make 197 Challenge
Can you arrive at 197 by inserting 1, 3, 11 and 15 into the gaps below?
◯×(◯+◯)–◯ = 197
Answers can be found here.
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