Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Keyboard words are not in alphabetical order, Why?

Remove two matchsticks to make the below equation correct.

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

I have no life, but I can die. What am I?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?