Sum of Consecutive Even Numbers Problem
Question 25 and a possible solution in Images below.



Question Allison has a box of coloured ribbons. There are 12 red ribbons, 11 white ribbons, 10 yellow…
Answer 0,0,1,3,6,10 Let A(n) denote the (n + 2)th term in the sequence. We “choose” ( n +…
A plausible explanation Here’s a way: (11-7+9-13) + (1x3x5) + (15) = 30, where each number is used…
Please find some interesting selected PMONK Math Olympiad 2013 and 2015 Questions and their ‘poorly handwritten’ solutions (sorry)…
[Text] “So Cornelius said, ‘Four days ago I was fasting until this hour; and at the ninth hour…