**Today’s Challenge**

A traditional clock was numbered √1, √4, √9 . . . √144 around its circumference. Every digit is represented on the clock, except one:

- What is this missing digit?
- Which is the first square number to contain this missing digit?
- If this clock was developed into a 24-hour clock, would it now contain the missing digit?

**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 5th & 6th rows of the playing board contain the following fourteen numbers:

5 6 7 12 16 18 20 21 33 49 50 56 81 84

When finding the factors of 40 listed above, what is their sum?

**Make 118 Challenge**

Can you arrive at 118 by inserting 1, 2, 4 and 5 into the gaps on each line?

- ◯³+◯–◯×◯ = 118
- (◯³–◯×◯)×◯ = 118

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

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