Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

I have branches, but no fruit, trunk or leaves. What am I?

Remove two matchsticks to make the below equation correct.

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

The more of this there is, the less you see. What is it?

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

Can you make four (4) nines (9) equal 100?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.