Take away the whole and some still remain. What is it?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Count the number of squares in the picture below.

Give it food and it will live; give it water and it will die.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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