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Unless you have grown to be an engineer, a banker or an accountant, chances are that the primary andmiddle school Mathematics were the scourge of your existence. You study tirelessly for weeks for these stupid standardized tests - and yet, on the day of the exam, you still have no idea what one of the equations orDifficult mathematics issues asked. Trust us, we get it.

Although logic can lead you to believe that your mathematics skills have naturally got as you have aged, unfortunate reality is that unless you do not solve daily in algebra and geometry problems, the opposite is more likely the case.

Do not believe us? Then put your crushing wisdom number with these difficult mathematics issues taken directly from school tests and grade duties and see for yourself.

1. Question: What is the number of the parking space covered by the car?

This delicate mathematics problem was viral a few years back after its selection on an entrance exam in Hong Kong ... for six-year-olds. So-called that students had only 20 seconds to solve the problem!

Answer: 87.

Believe it or not, this question "mathematics" does not really require any mathematics. If you return the image upside down, you will see that what you do is a simple number sequence.

2. Question: Replace the interrogator mark in the above problem with the appropriate number.

This problem should not betoo much Difficult to solve if you play a lot of Sudoku.

Answer: 6.

All numbers in each row and all columns are added up to 15! (In addition, 6 is the only number not shown numbers 1 to 9.)

3. Question: Find the equivalent number.

This problem comes directly from a standardized test in New York in 2014.

Answer: 9.

You are forgiven if you do not remember exactly how the exhibitors work. In order to solve this problem, you must simply subtract the exhibitors (4-2) and solve for 3², which develops in 3 x 3 and is equal to 9.

4. Question: How many small dogs are registered to compete in the dog show?

This question comes directly from a duty of mathematics of second grader. Yikes.

Answer: 42.5 Dogs.

In order to determine the number of small competing dogs, you must subtract 36 of 49, then divide this answer, 13, by 2, to obtain 6.5 dogs, or the number of big dogs in competition. But you are not done yet! You must then add 6.5 to 36 to get the number of small dogs competing, which is 42.5. Of course, it's not really possible for half a dog to participate in a dog show, but for the sake of this mathematics problem suppose it's.

5. Question: Find the area of ​​the Red Triangle.

This issue has been used in China to identify the graders of 5th generals. So-called, some of the intelligent students have been able to solve this in less than a minute.

Answer: 9.

In order to resolve this problem, you must understand how the area of ​​a parallelogram works. If you already know how the area of ​​a parallelogram and the area of ​​a triangle are linked, the addition of 79 and 10 and then subtract 72 and 8 to get 9 should make sense - but if you are always confused, discover This video youtube for a plusIn-depth explanation.

6. Question: What is the height of the table?

YouTuberMindyourdecisions Adapted this question of spirit mathematics of a similar bailiff of a similar found on the homework of an elementary student in China.

Answer: 150 cm.

Since a measure includes the height of the cat and subtracts the turtle and the other the opposite, you can basically act as the two animals are not there. Therefore, all you have to do is add the two measurements-170 cm and 130 cm-together and divide them by 2 to get the height of the table, 150 cm.

7. Question: If the cost of a bat bat and a baseball combination is $ 1.10 and that the BAT costs $ 1.00 more than the ball, what is the ball?

This problem, talking mathematically, is very similar to one of the others on this list.

Answer: $ 0.05.

Think about this problem on dog show dogs and use the same logic to solve this problem. All you have to do is subtract $ 1.10 from $ 1.10, and then divide this answer, $ 0.10 per 2, to get your final answer, $ 0.05.

8. Question: When is Cheryl's birthday?

If you have trouble reading that, see here:

"Albert and Bernard have become friends with Cheryl, and they want to know when his anniversary is. Cheryl gives them a list of 10 dates possible.

May 15 May 16 May 19 May 19 May

June 17, June 18

July 14, July 16

August 14, August 15, 17 August

Cheryl then says Albert and Bernard separately the month and the day of his birthday respectively.

Albert: I do not know when Cheryl's birthday is, but I know Bernard did not know it too.

Bernard: At first, I do not know when Cheryl's birthday is, but I know now.

Albert: Then I know when Cheryl is.

So when is Cherryl's birthday? "

We do not know why Cheryl could not just say Albert and Bernard the month and the day she was born, but this is not relevant to solve this problem.

Answer: July 16th.

Confused about how one could perhaps find an answer to this question? Do not worry, most of the world was most of the world during Singapore competition and Singapore Asian schools and Asian schools, was viral a few years ago. Fortunately, however, theNew York Times explains step by step how to reach July 16 and you can read their detailed deductionhere.

9. Question: Find the missing letter.

This one comes from afirst graderhomework.

Answer: The missing letter is J.

When you add the values ​​given for S, B and G, the 40-year sum and the missing letter (which has a value of 14) makes the sum of the other diagonal the same.

10. Question: Solve the equation.

This problem may seem easy, but a surprising number of adults can not solve it correctly.

Answer 1.

Start by resolving the part of the equation division. In order to do this, in case you have forgotten, you have to return the fraction and go from the division in multiplication, thus getting 3 x 3 = 9. You now have 9 - 9 + 1, and from there you can simply work Left right and get your final reply: 1.

11. Question: Where should a line be drawn to make the equation below exact?

5 + 5 + 5 + 5 = 555.

Answer: A line must be drawn on a "+" sign.

When you draw an inclined line in the upper left quadrant of a "+", it becomes the number 4 and the equation becomes 5 + 545 + 5 = 555.

12. Question: Solve the unfinished equation.

Try to determine what all equations have in common.

Answer: 4 = 256.

The formula used in each equation is 4^X= Y. So, 4¹= 4, 4²= 16, 4³= 64, and 4⁴ = 256.

13. Question: How many triangles are in the image above?

WhenBetter lifefirst written about this issue of deception, We had to ask a mathematician to explain the answer!

Answer: 18.

Some people are raised by triangles are hiding inside the triangles and others forget to include the giant triangle with all the others. Anyway, very few individuals - even math teachers - have been able to find the right answer to this problem. And for more questions that will put your former test education, check these30 questions you need ACE to pass the geography of the 6th year.

14. Question: Add 8,563 and 4.8292.

Adding two decimals together is easier than it seems.

Answer: 13.3922.

Do not let the fact that 8,563 has fewer numbering numbers than 4.8292 translates you. All you have to do is add a 0 at the end of 8.563, then to add you as if you would normally.

15. Question: There is a water lily patch on a lake. Every day, the double patch in size ...

... if it takes 48 days for the patch to cover the entire lake, how long will it take for the patch to cover half of the lake?

Answer: 47 days.

Most people suppose automatically that half of the lake would be covered with half of the time, but this hypothesis is false. From the stamp patchdoubleIn size every day, the lake would be half covered one day before it is fully covered.

16. Question: How many feet are in a mile?

This elementary school level problem is a little less problem solving and a little more memorization.

Answer: 5,280.

It was one of the questions presented on the popular showAre you smarter than a 5th grader?

17. Question: What value of "X" makes the equation lower than the true?

-15 + (-5x) = 0

Answer: -3.

You would have forgotten to think that the answer was 3. However, since the number next to X is negative, we need X to be negative also to be able to reach 0. Therefore, X should be -3.

18. Question: What is 1.92 divided by 3?

You may need to ask for help with your children on it.

Answer: 0.64.

In order to solve this seemingly simple problem, you must delete the decimal room of 1.92 and act as if it is not there. Once you have divided 192 by 3 to get 64, you can reset the decimal point where it belongs and get your final answer of 0.64.

19. Question: Resolve the mathematical equation above.

Do not forget about Pemdas!

Answer: 9.

Using Pemdas (an acronym setting the order in which you solve it: "parentheses, exhibitors, multiplication, division, addition, subtraction"), you would first solve the addition inside the parentheses (1 + 2 = 3) And there ends the equation because it is written from left to right.

20. Question: How many zombies are there?

Finding the answer to this last question will require using fractions.

Answer: 34.

Since we know that there are two zombies for three humans and 2 + 3 = 5, we can divide 85 x 5 to understand that, in total, there are 17 groups of humans and zombies. From there, we can then multiply 17 points 2 and 3 and learn that there are 34 zombies and 51 humans respectively. Not too bad, right?

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