What is the next shape from answers A, B, C, and D figure?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

In the picture given below, can you find out which digit will take place of the question mark?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Name a key which is hardest to turn.

There are forty elephants and they have forty-fore heads. How can this be possible?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

Our product and our sum always give the same answer. Who are we?