Find the next number in the sequence

5 12 24 36 ?

There is something which is always coming but never arrives?

What's the only room from which no one can enter or leave

What am I?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

The more it dries, the wetter it becomes. Can you tell what it is?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Solve the puzzle by telling what does below picture means.

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?