I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Can you count the number of triangles in the picture below?

Can you find a five letter word that is left with only two letters if one is removed?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

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

what does this below rebus represent identXQQQQQME

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

What does this rebus puzzle mean?

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?