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There are 12 multiples of 8 in 1 to 100.
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
There are 30 multiples of 30 that fall between 100 and 1,000.
There are five multiples of six that fall between 70 and 100: 72, 78, 84, 90, 96.
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