**Today’s Challenge**

Follow the rules and eliminate numbers from a given list, except one. From the numbers 1-30 inclusive, delete:

- multiples of 5
- factors of 36
- numbers containing a ‘7’
- prime numbers
- even numbers

Which is the only number that remains?

**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 & 7th rows of the playing board contain the following fourteen numbers:

2 4 9 11 14 15 22 24 27 30 40 70 72 77

Which three different numbers on the list have a sum of 100?

**Make 123 Challenge**

Can you arrive at 123 by inserting 3, 9, 10 and 12 into the gaps on each line?

- ◯×◯+◯÷◯ = 123
- ◯×◯+half(◯×◯) = 123
- (◯+◯)×◯+half◯ = 123

**Answers **can be found **here**.

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