What is always in front of you but can’t be seen?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What is next number in the pattern below:

131 517 192 123 ?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Can you identify if it's a murder or a suicide ?

What kind of band never plays music?

When is the top of a mountain similar to a savings account?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?