DAY 181:

Today’s Challenge

Your task is to find a way of arriving at the target number of 70 by using each of the five numbers 1, 2, 3, 4 and 5 once only, and with + – × ÷ available.

The easy way is [(4×3)+2]×5×1 = 70, can you find another way?

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 4th & 7th rows contain the following fourteen numbers:

3    4    10    11    24    27    30    32    35    44    54    60    70    77

What is half of the highest multiple of 10?

Make 181 Challenge

Can you arrive at 181 by inserting 8, 9, 10 and 11 into the gaps below?

◯×(◯+◯)+◯ = 181

Answers can be found here.

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