Question

luke has a set of cards numbered 1 to 8, which he arranges in pairs. He notes the sum of the numbers on each pair of cards and calculates the lowest common multiple of the four sums. if luke obtained an LCM of 24, find two different ways in which the cards could have been paired

Answer 1

Answer: 5,7 6,2 4,8 1,3 7,1 5,3 4,8 6,2

Explanation:

Answer 2

(5,7 6,2 4,8 1,3) and (7,1 5,3 4,8 6,2)