13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

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

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

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?

The more you take me, the more you leave me behind.
Who Am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?