A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you write down eight eights so that they add up to one thousand?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Find the next number in the series.
1 10 24 43 67 ?

What demands an answer, but asks no questions

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?