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

How many times do a clock's hands overlap in a day ?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What two things can you never eat for breakfast?

What is at the end of a rainbow?

What goes up but never comes down?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?