Which number should replace the question mark?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What has 88 keys?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Identify the 10 differences between the two given pictures.

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Find the hidden tiger in the given optical illusion ?