You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What word is represented by this rebus?

Find the next number in the sequence

5 12 24 36 ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Buy me, smell me or deliver me, I do not change.

Who am I?

Count the number of triangles in the below picture?

Can you find any error in the following sentence?

A taxi was standing outside a fort at night. A man came out of the fort, opened the gate and hit the taxi driver killing him instantly. He took all the money out of the meter and started running till he was caught by a local sheriff.