Which fur should we be getting from the Lion?

Replace the question mark with the correct number.

I have branches, but no fruit, trunk or leaves. What am I?

Can you move 2 matchsticks to form four equal sized squares.

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

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?

How many times in a given day, minutes and hour clock comes in a straight line ?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.