In the four images below, can you find the odd one out?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What do you see in the given picture?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

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

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

Which wheel of car does not rotate when you turn your car right?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

They are three errirs in this question. Can you find them?