DAY 178:

Today’s Challenge

Can you arrive at the target answer of 7 by using each of the numbers 0.2, 0.5, 2 and 2.5 exactly once each, and with +  × ÷ available?

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 1st & 6th rows contain the following fourteen numbers:

2    5    9    12    14    15    18    20    22    33    40    49    56    72

What is the sum of the factors of 36?

Make 178 Challenge

Can you arrive at 178 by inserting 10, 12, 15 and 20 into the gaps below?

(◯×◯)–(◯÷◯) = 178

Answers can be found here.

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