What is the shortest length which can be divided into 5 cm, 9 cm or 10 cm portions without any remainder?
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90
Multiples of 10: 10, 20, 30, 40, 50, 60, 70, 80, 90
Shortest length that can be divided
= Lowest common multiple of 5 cm, 9 cm and 10 cm
= 90 cm
Answer(s): 90 cm
