DAY 307:

Today’s Challenge

Using the numbers 3, 5 and 7 once each, with + – × ÷ available, list the FIVE even-numbered target numbers from 30-60 inclusive that are mathematically possible to make.

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

What is the sum of the multiples of 8?

Make 307 Challenge

Can you arrive at 307 by inserting 3, 5, 7, 9 and 11 into the gaps below?

◯×◯×◯+◯–◯ = 307

Answers can be found here.

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