John is the son of Jacob.
So,
Jacob is the_____of John's father?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

A blonde put eyeliner on her head. Why?

What's the only room from which no one can enter or leave

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

How is the moon similar to a dollar?

What is the end of everything?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What do you call a fish without an eye?

What always comes into a house through the keyhole?