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

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

You need to move three matchsticks to form three squares. Can you do it?

What Deficiency does the below rebus represent?

VIT_MIN

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?