A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

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?

Can you find the key in the picture below?

Can you spot the man between the coffee bean in the picture below ?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

What is the riddle which can be asked all day with a different correct answer each time.

How do you go from 98 to 720 using just one letter?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?