I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Which letter of the alphabet has the most water?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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 ?

Find the missing number in the sequence below:

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

Count the number of lines in the image below ?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?