90. All numbers that are multiples of 3, 5 & 9 are multiples of their lowest common multiple lcm(3, 5, 9) = 45 → multiples of 45 between 49 and 95 is 2 x 45 = 90.
The multiples of 4, 5 and 8 that are between 49 and 95 are just these two: 60 and 80.
84.
It is: 72
60 and 90.
90. All numbers that are multiples of 3, 5 & 9 are multiples of their lowest common multiple lcm(3, 5, 9) = 45 → multiples of 45 between 49 and 95 is 2 x 45 = 90.
A multiple has to be equal to or larger than the number itself, so there are no multiples for 359 that are between 49 and 95. 359 is a prime number, so it has no factors between 49 and 95 either.
The multiples of 4, 5 and 8 that are between 49 and 95 are just these two: 60 and 80.
30
None.
There are 19 multiples of five that fall between 1 and 100: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95.
All multiples of 95, which is an infinite number.
They are: 100, 105 and 110
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95.
84.
It is 80
It is: 72