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# Math Brainteasers

3.5
7 questions
English
1 ## When does 8 + 6 = 2?

When you're telling time

In Australia

In outer space

Trigonometry

### 49% got this right

8 + 6 = 14 or 2pm
2 ## A teacher has 18 students. All but 8 of them were picked up by their parents. How many are left?

8

0

10

18

### 40% got this right

If all but 8 were picked up, those 8 are left.
3 ## Use the numbers and symbols 2, 4, 6, 8, +, and = to make a true equation.

8 + 2 = 4 + 6

2 + 4 + 6 + 8

2 + 4 + 6 = 8

6 + 2 = 4 + 8

### 67% got this right

8 + 2 and 4 + 6 both amount to 10.
4 ## What can you place between a 4 and a 5 to make a number greater than 4 but less than 5?

.

+

-

X

### 70% got this right

Add a decimal to make 4.5.
5 ## If a cake has 12 slices and you take 3, how many slices do you have?

3

12

8

9

### 57% got this right

You took three slices, so you have three!
6 ## If you multiply all the numbers on a phone's number pad, what do you get?

0

123,456,789

362,880

### 30% got this right

Since there's a zero on the number pad, multiplying all the numbers will always equal zero.
7 ## If each letter of the alphabet is equal to a number from 1 - 26 (A = 1, B = 2, etc.), what is D + Y?

29

16

25

32

### 55% got this right

D = 4 and Y = 25, so the answer is 29.

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