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

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Find the missing letter in the last circle logically in the given below picture.

A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Remove two matchsticks to make the below equation correct.

What number do you get when you multiply all of the numbers on a telephone's number pad?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?