Elsa and Pauli are filling buckets in their garden with water. Each time they fill a bucket, it becomes half full. Elsa fills every three buckets and Pauli fills every nine buckets. Which are the first two buckets to get full?
The 9th and the 18th bucket.
15
Tell me the greatest common divisor of 24 and 32 that is smaller than 8.
4
15
Find the least common multiple of 8 and 12.
24
15
Today, both the soccer team and the basketball team had games. The soccer team plays every 3 days and the basketball team plays every 5 days. When will both teams have games on the same day again?