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.

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Forwards I am heavy, backward I am not. What am I?

Can you solve this picture maths equation?

Can you replace the question mark with the correct number in the below table sequence?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

By moving just one matchstick, you need to make the below statement true. Can you do it?