During which month do people sleep the least?

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

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Find the number of squares in the below picture

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What seven-letter word has hundreds of letters in it?

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

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?