What is the LOWEST number that satisfies all three criteria below?
- it is the sum of five consecutive numbers,
- it is the sum of two consecutive odd numbers,
- it is the sum of three consecutive even numbers.
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 6th & 7th rows of the playing board contain the following fourteen numbers:
4 5 11 12 18 20 24 27 30 33 49 56 70 77
List the five different numbers that have a sum of 70?
Make 198 Challenge
Can you arrive at 198 by inserting 4, 6, 7 and 9 into the gaps below?
(◯×◯–◯)×◯ = 198
Answers can be found here.
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