How many sides does a circle have?

It belongs to you, but other people use it more than you do. What is it?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

Find the value of "a" by solving the maths equation in the picture below:

They are three errirs in this question. Can you find them?