Find the missing letter in the last circle logically in the given below picture.

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

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

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Can you make a fire with just a single stick?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

During which month do people sleep the least?

What jumps when it walks and sits when it stands?