How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Count the Triangle in the figure given below:

With the help clues provided in the image, can you find the 5 digit key?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Can it be possible to build a house that has all its four walls facing towards the South?

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?