I make two people out of one. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you count the number of lines in the below picture?

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

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Can you find the six hidden animals in the picture below?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Which is heavier: a ton of bricks or a ton of feathers?