What is always in front of you but can’t be seen?

What does Alexander the Great and Winnie the Pooh have in common?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

what does the below rebus means?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

How can you leave a room with two legs and return with six legs?