Can you convert the number zero(0) into a positive number using just one mathematical operator ?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

What makes this number unique: 8,549,176,320?

How many triangles do you see in the picture puzzle below?

By what process could you make a 'Tea-Table' into food?

Bobby and Wilbur decided to take their respective car out of the garage and race. None of them cheated and they both stood at the start time and decided to cover a distance in full throttle. The first to reach the mark was to be declared the winner.

Upon reaching the finishing mark, they found out that Bobby's car was 1.2 times faster than Wilbur's. Now, Wilbur had reached the mark about 1 minute and 30 seconds later than Bobby. Bobby's car reached the mark of 60 MPH on average.

Can you calculate the distance between the starting mark and the final mark with the help of the given data?

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

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?