81 x 9 = 801. What must you do to make the this equation true?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What Does this text mean:

important=important

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?