NSC [2×2=4] Semi Maths Olympiad ∑ TONIGHT 21(30) CET

[iowacorn]

31st December

Wow, that’s fucked up. Time is a lie

 

[Sabrewulf238]

Yeah 40, there are still 40 candles.

 

[ferret]

Correct answer:

19, all the other candles will burn out.

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It is very easy to express the number 24 with three twos: 22 + 2 = 24. Can you do the same thing
using the other three identical digits?

​

 

[dogmeat]

Damn, I got excited for a moment

 

[Luki]

8

 

[Luki]

Damn, I got excited for a moment

Same when you wrote 7... but I was not the only one.

 

[Fierro]

3^3 - 3

 

[dogmeat]

8+8+8

 

[ferret]

Correct answer:

One of several options: 8 + 8 + 8!

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When John was 8 years old, his brother was half his age. Now that John is 14 years old, how old is his brother?

​

 

[Sabrewulf238]

18 I think.

Edit: Wait I mixed up the brothers ages....

The answer is 10.

 

[theCONWEL]

10

 

[Fierro]

3! + 3+3/3

Sorry I'm rooting for myself

 

[soundofsilence]

10

 

[ferret]

Correct answer:

His brother is 10 years old.

Half of 8 equals 4, so Josh's brother is 4 years younger.

6 people built a shed in 9 hours. How long will it take 12 builders to build this barn?

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[anselm]

Yeeeessssss tack

 

[Luki]

Is a barn bigger than a shed?

 

[esc87fan]

18

 

[soundofsilence]

Shed =/= barn
0

 

[ferret]

Correct answer:

Not for how much, because it's already built!

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If there were 11 fish in a tank and half of them drowned, how many are left?

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[Sabrewulf238]

11! 11!?