There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Find the number of squares in the below-given picture.

Take one out and scratch my head, I am now black but once was red. What am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

Identify the hidden meaning behind this picture?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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

Can you find the number?