By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

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?

Look at the picture and find out which square is not linked with any of the other squares.

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

When 99 is considered higher than 100?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?