What is the below Rebus indicate?

Find the missing letter in the last circle logically in the given below picture.

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?

You can see three almost identical images below. Can you spot the odd one out from them?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

When 99 is considered higher than 100?

Can you count the number of squares in the given picture?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Can you find out the missing number in the grid?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.