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

How many letters are in the alphabet?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A large water tank has two inlet pipes (a large one and a small one) and one outlet pipe. It takes 3 hours to fill the tank with the large inlet pipe. On the other hand, it takes 6 hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in 9 hours.

What fraction of the tank (initially empty) will be filled in 0.64 hours if all three pipes are in operation? Give your answer to two decimal places (e.g., 0.25, 0.5, or 0.75).

Why Aeroplane windows are round?

How many bananas can you eat if your stomach is empty?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I’m tall when I’m young, and I’m short when I’m old. What am I?

What does this rebus riddle mean?