What has to be broken before you can use it?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

You can see it everyday, But cannot touch it at will. What is it?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Who is that with a neck and no head, two arms and no hands? What is it?