The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I am a prime number.
The double of myself is equal to the square of me.

which number 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?

Can you Find and name the hidden bird in the picture below ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

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?

What word begins and ends with an E, but has only one letter?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?