What is a multiple of 2, 8, and 10 between 49 and 95

Any number that's a multiple of 4 and 5 also has to be a multiple of 20. And any multiple of 20 is also a multiple of 2. So if you pick the multiples of 20, that will cover all three of the numbers - - 2, 4, and 5. The multiples of 20 that are between 49 and 95 are 60 and 80.