Can you spot the hidden girl in the picture below?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

No matter how little or how much you use me, you change me every month. What am I?

Replace the question mark with the correct number.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

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

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?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?