what's the probability of getting a king or a queen from a pack of 52 cards?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What do you see in the given picture?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

A bomb exploded in a room full of married couples and no one died. How?

Can you move 2 matchsticks to form four equal sized squares.

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?