Solution:

The kids have 4 slices of pizza in their hands but only three pieces are missing from the pizza box.

Solution:

Here is a way to do it. We dont know if it can be done using some other arrangement or not. If you know, do send us.

4 | 3 | 8
9 | 5 | 1
2 | 7 | 6

Solution:

Move the coins as given in the figure and you will get the required result.

Solution:

A
D
C
A
B

Solution:

I + IX = X

The equation read from the other side becomes X = XI + I which is false.

Solution:

The brain teaser can be solved as shown in the image below.

Solution:

Flyball should pay Lavy $11 instead of accepting his counter offer as in that case the club will end up paying almost double the amount.

Solution:

One Minute building

building 62 => Sixty second building => One minute building

Solution:

Step 5 is invalid, because we are dividing by (x-y), and since x=y, we are thus dividing by 0. This is an invalid mathematical operation (division by 0), and so by not following basic mathematical rules

Solution:

From top to bottom, the flavors are :

nutty-chocolate
peppermint
orange
Jamaica
walnut

Solution:

It can be solve as shown below.