## About This Quiz

Does anyone have to do math in their head anymore? No, until NOW. Put down your phone and do these simple math problems in your head. It will make your brain bigger.You're off to a good start if you got this one right. This basic math problem amounts to 15.

The answer to this basic math problem is 12. That means that there are 12 5s within the number 60!

When you multiply 100 by 3, you get 300. When you subtract 5, you come to 295.

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For whatever reason, people just like the number 7. It's probably a Biblical thing.

When you multiply 6 by 30 you get 180. Drop the zero and make it 6 x 8, if that's visually easier.

9 is in the ten thousandths place in this number. You can count that out backwards from the decimal point.

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The number 4 is unlucky in Asia. This is because the pronunciation of the number in many Asian languages sounds the same as the word for death.

3.89 easily rounds up to 4. If you rounded it up to the nearest tenth, it would be 3.9.

Forty-eight thousandths looks like .048. Forty-eight hundredths looks like .48.

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In case your brain was hurting, we decided to give you an easy one! 4 x 4 = 16.

Are you remembering your times tables yet? 7 x 8 = 56.

This isn't too hard to figure out. If you get lost, just multiply 3 x 8 in your mind.

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This one gets a little more challenging. Count on your fingers, if you must!

Put down your phone. We see you. We know what you're doing.

When you multiply 7 by itself, you get 49. This is basic times tables information.

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The French word for pie chart is Camembert. Just think of it like a wheel of cheese!

Did you have trouble with this one? You just have to ask yourself what are the four parts of 68.

When you multiply 55 by 4, you get 220. That one wasn't too difficult, in our humble opinion.

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You began to sweat, didn't you? Well, the answer is plain to see. It's 12,345,678,987,654,321!

In a room of 23 people, there's a 50% chance that two people will have the same birthday. It's a fact. Ask anyone.

Just think, if it were 300 divided by 6, then it would be 50. That makes it a little easier to see.

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There is no Roman numeral for 0. It's the only number that doesn't have one!

This is a pretty basic math problem. Start by just adding 5 to 18.

There you go! Again, it makes it easier when you begin by adding 34 to 56.

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Pretty freaky, isn't it? There shall be no reference to the pop culture meaning of this number.

You're doing so great! And we know for certain that you still haven't picked up your phone.

How are you with simple subtraction? To do this in your head, you need to first stack 66 above 12 in your mind.

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The human mind equates odd numbers with males and even numbers with females. Again, there shall be no discussion of anatomy here.

Here is some more simple subtraction. You're beginning to feel like a genius, aren't you?

These numbers add up to 5.71. Did you have to use your calculator?

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Zero is an even number. When you try to divide a number by 0 on your phone, it gives you an error. Try it (after the quiz).

Did you know that 39 x 2 = 78? Well, now you know!

Did you find this confusing? If so, remove those decimals and divide 87 by 7 in your mind. This gives you a better clue as to the answer.

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72/1000 as a decimal is .072. Remember to count the zeros and move the decimal point over!