What do you call a fish without an eye?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

what does the below rebus means?

What breaks yet never falls, and what falls yet never breaks?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

Can you find the 09 errors in the picture below?

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

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?