Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

Find the number of squares in the below-given picture.

How many times in a given day, minutes and hour clock comes in a straight line ?

What always comes into a house through the keyhole?

I always drive my customer away.

Who am I?

Why Aeroplane windows are round?

what one word does the below rebus identifies?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.