Can you find the key in the picture below?

You were playing ping pong with your friend. Suddenly the ball fell into a narrow metal pipe that was imbedded in the concrete surface of the floor one foot deep. Now you don't have any other ball and you desperately want to take it out and play. You and your friend have your shoelaces, your tennis paddle and a plastic water bottle. However, the bottle cannot fit into the pipe.

How will you take the ball out?

You need to arrange three 7 and mathematical symbols to form number 1?

what's the probability of getting a king or a queen from a pack of 52 cards?

When it is alive we sing, when it is dead we clap our hands. What is it?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

who is silent in the parliament?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Can you find the thief by just looking at the picture below?