How can you tell a raw egg from a hard-boiled egg?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

The Little ant seems to be always confused. Do you know why?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

Solve the equation in the image by looking at the pattern closely.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Why Aeroplane windows are round?