Today’s Challenge
This number trail has seven arithmetical steps. Start with the number 49, then:
√ add nineteen 50% of this –2 +26 subtract nine ÷7 = ?
What is your final answer?
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 & 7th rows contain the following fourteen numbers:
4 8 11 17 24 27 28 30 48 55 63 64 70 77
What is the sum of the factors of 24?
Make 166 Challenge
Can you arrive at 166 by inserting 4, 7, 14 and 17 into the gaps below?
(◯×◯)+(◯×◯) = 166
Answers can be found here.
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