How many times in a given day, minutes and hour clock comes in a straight line ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

What number when divided in half becomes zero?

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

You bought me for dinner but never eat me. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?