It is always ahead of me yet I can never see it. What is it?

If 21x = 79x, what is the value of x?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

The answer I give is yes, but what I mean is no. What was the question?

You have a thousand Re. 1 coins with you. You have ten bags with you and you can put any number of coins in each of the bags. The condition is that if someone asks you for any amount between 1 and 1000, you must be able to give that amount by just giving the bag (you are not allowed to open the bag and give coins).

How will you do it?

I travel all around the world but always stay in the corner. What am I?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What English word has three consecutive double letters?