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Watch the __DrZonga Live at 5 video__ for solutions and methods. If you don't want to know the how, but only the what, then the answers as follows:

**Question: Released after 5pm :-)**

Watch the __DrZonga Live at 5 video__ for solutions and methods. If you don't want to know the how, but only the what, then the answers as follows:

**Question 1:**

1)Fall of Roman Empire, 2) Battle of Hastings 3) Angkor Wat Temples, 4) Genghis Khan, 5) Da Vinci, 6) Robinson Crusoe, 7) Boston Tea Party, 8) World population at 1 Billion

**Question 2:**

Robinson Crusoe 1st edition: 1719 and Boston Tea Party: 1773

Watch the __DrZonga Live at 5 video__ for solutions and methods. If you don't want to know the how, but only the what, then the answers as follows:

**Question 1:** Offer 2: €84.88

**Question 2**: Offer 1 and 2: €56.32

Watch the DrZonga Live at 5 video for solutions and methods. If you don't want to know the how, but only the what, then the answers as follows:

**Question 1:** 4845 different combinations of teams could qualify.

**Question 1:** E (for Eight)

Question 2: Multiple answers. XYA, WYZ, YZ1, YZ, YZAA, XVR, to name but some

**Question 1:** Greenland

**Question 1:** 8 socks

**Question 2:** 0.23 (2.d.p.)

**Question 1:** 8814 m

**Question 2:** 613 metres

**Question 1:** 244

**Question 2:** 24/51 Or 28/51 (due to question ambiguity)

Please watch my answer video by clicking here (it was my first Instagram Live attempt...). If you don't want to know the how, but only the what, then the answers as follows:

**Question 1:** Dr Zonga = 148, Oskar = 240

**Question 2:** 30 weeks

Please watch my answer video by clicking here. If you don't want to know the how, but only the what, then the answers as follows:

**Question 1:** 26 days

While this sounds quite challenging, the way to tackle it is to go letter-by-letter. Start by asking what it is the probability of the first letter you pick-up being a D. There are 7 letters in total, so you have a 1 in 7 chance of picking up the letter you want. Thus, the probability of choosing D = 1/7

Then, do the same for the second letter, R. Now there are only six letters left on the floor, so the probability of you picking up the R = 1/6. To recap, the probability of picking up the D and then the R is 1/7 x 1/6 = 1/42.

Continue to do this for each letter and you end up with

1/7 x 1/6 x 1/5 x 1/4 x 1/3 x 1/2 x 1/1 = 1/5040

So, the probability of you picking all letters up in the correct order is 1 in 5040 or 1/5040.

**Congratulations to Remek, Peter, Luca and Maya who answered this one correctly within the deadline.**

Well done to anybody who gave these questions a go. __Answer 1: ____ 69 seats__ Congratulation

Watch Dean and Julian explain how it all works...

T20, T19, D17. or

T20, T17, D20

T17, Bull, Bull - Note: Just worked this one out. It is not in the video :-)

2 x 3 x 5 x 7 x 11 x 13 x 17 x 19 = 9,699,690

Total dartboard area: 1661.90 squared cm

Bullseye area: 1.77 squared cm

Area of dartboard excluding bullseye: 1660.13 squared cm

Which countries might they move to next?

**Dr Zonga**: **A**ndorra, **B**elgium, **C**anada, **D**ominican Republic, ...?

For Dr Zonga, each country started with the next letter in the alphabet. Thus, the next country Dr Zonga might move to would start with an **E. **Correct answers we received included:

Ecuador (thanks Simon)

Egypt (nice work Julian)

Eritrea (good find Steve)

England (good old blighty - well done Isaiah and Allegra)

**Dr Zonga's Friend**: **A**rgentina, **D**enmark, **I**celand, **P**ortugal, ...?

This one was slightly trickier to notice. If we assign numbers to the first letter of each country, based upon its position in the alphabet, they go as follows:

A = 1

D = 4

I = 9

P = 16

These are the square numbers of 1,2,3,4. Thus the next number will be the square of 5. Which is 25. And the letter associated to this number? **Y**

Many people worked this out, and they all came back with the same country - Yemen. I guess not many countries start with the letter Y...

Well done if you worked out either or both of these.

**Bratislava and Budapest (169km)**

Congratulations Alex in Australia

**Kigali and Kampala (377km)**

Great job Allegra in the USA

**Moscow to Minsk (676km)**

Congratulations Jazmin in Switzerland

**Bratislava to Bucharest (805km)**

Excellent answer Mr Head!

**Budapest to Bern (885km)**

Nice work Isaiah!

**Seoul to Santiago de Chile (18377km)**

Wowser! Nice find Petra!

**Goal Area** (width x height):

2.44m x 7.32m = 17.86 metres squared

**Triangle Area** (width x height / 2):

0.5m x 0.5m / 2 = 0.125 metres squared

**Two triangles** = 0.125 + 0.125 = 0.25 metres squared

**% of Goal covered by Triangles** = (Area of Triangles / Area of Goal) x 100

(0.25 / 17.86) x 100 = **1.4%**

**So only 1.4% of the goal is covered by the triangles. Great job if you worked this out, or if you managed to get the ball in the triangles!**

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