What is the shortest length which can be divided into 3 cm, 5 cm or 10 cm portions without any remainder?
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
Multiples of 5: 5, 10, 15, 20, 25, 30
Multiples of 10: 10, 20, 30
Shortest length that can be divided
= Lowest common multiple of 3 cm, 5 cm and 10 cm
= 30 cm
Answer(s): 30 cm