One of the seven goblets above is made of real gold. If you start counting at A and wind back and forth while counting (A, B, C, D, E, F, G, F, E, D, ...), then the golden goblet would be the one that you count.
Which one is the golden goblet?
What are the last two digits when this integer fully expanded out?
Find the sum of all positive integers , such that is an integer.
Find the sum of all prime numbers that divides .
There is a prime number such that is the cube of a positive integer. Find .