11,22,33,44,55
Chat with our AI personalities
6 of them
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66
infinite; positive are 9
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.