Try our brain-teaser based on the number 100. Can you divide it into four parts in a way that makes a pattern? Plus, the solution to puzzle #54
15 April 2020
By Donna Lu
#55 Ton up
How can you divide 100 into four parts such that: adding 4 to the first part, subtracting 4 from the second part, multiplying the third part by 4 and dividing the fourth part by 4 results in all parts having the same value as each other?
Answer next week
#54 Pyramid of possibilities
Solution
The 21 must be the product of 3 and 7, but in which order? The 350 isn’t divisible by 3, and its factors must include the second, third and fourth numbers on the bottom row, so the first block on the bottom must …
