You need to move three matchsticks to form three squares. Can you do it?

I can write cow in 13 letters.

Can You?

What is the Surname of Barbie Doll?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

What can you catch but never throw?

What jumps when it walks and sits when it stands?

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?

What you cannot hold but it is yours?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?