Mrs Lee has some balloons. She can share all the balloons equally among 3, 5 or 10 children without any remainder. What is the least possible number of balloons Mrs Lee has?
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
Least possible number of balloons
= Lowest common multiple of 3, 5, 10
= 30
Answer(s): 30
