In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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.

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

When we see 2 but call 10?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Next Number in the Series,

5, 16, 49, 104, ?