**Today’s Challenge**

Of the numbers 1, 2, 3 . . . 6000, how many are NOT multiples of 2, 3 or 5?

**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 4th & 5th rows of the playing board contain the following fourteen numbers:

3 6 7 10 16 21 32 35 44 50 54 60 81 84

What is the average of the two prime numbers on the list?

**Make 89 Challenge**

Can you arrive at 89 by inserting 1, 4, 8 and 10 into the gaps on each line?

- ◯²+◯²+◯–◯ = 89
- ◯×◯+(◯–◯)² = 89
- (◯+◯)³–double(◯+◯) = 89

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

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