There is something which you can be arrested for attempting but not for successfully completing.

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

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.

What four weights can be used to balance from 1 to 30 pounds?

What does this mathematical rebus means ?

What is black when you buy it, red when you use it, and gray when you throw it away?

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