What two things can you never eat for breakfast?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Can you place three balls such that the equation shown in the picture holds true?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?