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