What does below pictogram mean?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

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?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Solve the rebus riddle in the picture below.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I shave every day, but my beard stays the same. What am I?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA