DAY 334:

Today’s Challenge

. . . involves making 7 when using the four numbers 0.7, 1.6, 2 and 10 once each, and with the four arithmetical operations + – × ÷ available.

Can you arrive at our signature target answer of 7?

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 3rd & 7th columns of the playing board contain the following fourteen numbers:

4    5    9    12    15    17    24    28    32    35    50    66    80    81

What is the sum of the multiples of 5 listed above?

Make 334 Challenge

Can you arrive at 334 by inserting 2, 3, 4, 4 and 5 into the gaps below?

◯⁵+◯⁴+◯³+◯²–◯ = 334

Answers can be found here.

Click Paul Godding for details of online math tuition. Wherever you are in the world, please get in touch.

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