Which alphabet letter is a question?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Do You See It?

What does this rebus puzzle means ?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

How can you tell a raw egg from a hard-boiled egg?

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

Why 1729 is a magic number? Answer Logically.