You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

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

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Find the hidden tiger in the given optical illusion ?

Find the missing number in the image below.