Can you place three balls such that the equation shown in the picture holds true?

Can you find the missing piece of the Porsche?

Find the number of squares in the below-given picture.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Identify the hidden meaning behind this picture?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98