What is the shortest length which can be divided into 4 cm, 5 cm or 8 cm portions without any remainder?
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40
Multiples of 8: 8, 16, 24, 32, 40
Shortest length that can be divided
= Lowest common multiple of 4 cm, 5 cm and 8 cm
= 40 cm
Answer(s): 40 cm