The following clues are given to help you find a particular number:
- I am a 2-digit number
- my two digits have a difference of one
- I am a multiple of 7
- the number immediately below me is a prime number
Who am I?
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 rows of the playing board contain the following fourteen numbers:
2 3 9 10 14 15 22 32 35 40 44 54 60 72
How many multiples of 4 are present?
Make 250 Challenge
Can you arrive at 250 by inserting 5, 10, 15, 20 and 25 into the gaps below?
◯×◯–(◯²+◯+◯) = 250
Answers can be found here.
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