what does this picture(rebus) riddle means ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

How can one talk without saying a single word?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Which flower has two lips?

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

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Count the number of lines in the image below ?

You see me once in June, twice in November, and not at all in May. What am I?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?