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?

How many triangles are there in the picture below?

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

How many times can you subtract the number two from the number fifty?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

Can you replace the question mark with the correct number?

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 ?

What is next number in the pattern below:

131 517 192 123 ?

What do you see in the image below