DAY 309:

Today’s Challenge

This Kakuro-style question invites you to find various number combinations.  List the SEVEN different ways of making 12 when adding together three unique digits from 1 to 9.

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 & 3rd rows of the playing board contain the following fourteen numbers:

2    9    13    14    15    22    25    36    40    42    45    66    72    80

Which number, when doubled, becomes a 3-digit number with two of the digits the same?

Make 309 Challenge

Can you arrive at 309 by inserting 3, 4, 6, 8 and 9 into the gaps below?

[(◯+◯)×◯+◯] × ½ of ◯ = 309

Answers can be found here.

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