How is a fly different from a mosquito?

Can you count the number of triangles in the picture below?

What does this rebus means ?

PROG WORKRESS

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

what does this picture(rebus) riddle means ?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

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

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

Who am I?