The first three lines all have a common sum. When applying this common sum to 5*5 it equals 2.
July 2023 Brain Puzzler Solution
Category Archives: brain puzzler
June 2023 Brain Puzzler Solution
May 2023 Brain Puzzler Solution
Which pins must be knocked over to score exactly 100 points? (Hint: There are three!)
Answer: 13, 39, and 48.
April 2023 Brain Puzzler Solution
96 = 2^5 x 3^1
March 2023 Brain Puzzler Solution
54 x 18 = 972
As all the numbers in the 990s repeat a 9 and 989 and 988 also have repeating digits, the first number to check is 987. Count down from there checking each number for its factors.
Math Confidence by Robin the Math Lady 