self Maths Puzzle

How can you throw a ball as hard as you can and have it come back to you, even if it doesn't bounce off anything? There is nothing attached to it, and no one else catches or throws it back to you.

Read Solution (Total 1)

self Other Question

The below is a number puzzle. It should be read left to right, top to bottom.

1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?

Question 1: What is the next two rows of numbers?
Question 2: How was this reached?
17A = 17+A. Find the value of A.