How many words can a pen with half refill write?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Which alphabet is a part of our body?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

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

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?