** The Main Challenge**

Here is a **FlagMath**-style puzzle derived from our series of card games.

Each of the eleven letters, **A-K**, in the two sections below contains a percentage calculation. Which is the only letter to have the SAME answer in BOTH sections?

- Section 1

F: 40% of 60 A: 25% of 20 G: 50% of 30 B: 60% of 35 D: 20% of 40 J: 30% of 5 K: 16% of 50 C: 70% of 30 H: 15% of 60 E: 10% of 100 I: 5% of 80

- Section 2

H: 1% of 500 D: 80% of 10 K: 2% of 200 G: 30% of 80 J: 20% of 50 F: 10% of 40 C: 25% of 60 I: 70% of 20 A: 15% of 200 E: 5% of 140 B: 8% of 300

**The**** 7puzzle Challenge**

The playing board of **the 7puzzle game** is a 7-by-7 grid of 49 different numbers, ranging from **2 **up to **84**.

The 2nd & 3rd rows contain the following fourteen numbers:

8 13 17 25 28 36 42 45 48 55 63 64 66 80

When finding the highest multiple of 7 on the list, what is double this number?

**T****he Factors Challenge**

**The Mathematically Possible Challenge**

Using **8**, **10** and **12 **once each, with + – × ÷ available, which is the ONLY number it is possible to make from the list below?

2 3 5 7 11 13 17 19 23 29

#*PrimeNumbers*

**The Target**** ****Challenge**

Can you arrive at **293** in two different ways when inserting **4**, **9**, **16**, **25** and **36** into the gaps below?

- ◯²+◯+√◯+√(◯×◯) = 293

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

**Click Paul Godding for details of online maths tuition.**