What number should come in place of the question mark below?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Which is the correct shadow of the bird?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What have one eye but still cannot see?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Using Only Five 5's and any mathematical operator make sum as 37

Can you solve below mathematical equation?

2^1234 - 2^1233