Can you replace the question mark with the correct number in the below table sequence?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What does below pictogram mean?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

I have an eye but still cannot see.

Who am I?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?