There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

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

Which is the correct shadow of the bird?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Find the value of "?" in the ball picture Riddle below:

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

What has no start, end, or centre?