Any number that does not end with 0 or 5 is not a multiple of 5
There are three numbers between 10 and 50 which are divisible by both 3 and 5. All numbers that are multiples of 3 and 5 are the multiples of the lowest common multiples (lcm) of 3 and 5 which is 15. The multiples of 15 between 10 and 50 are {15, 30 and 45}, thus there are 3 numbers.
99
one
1
odd multiples of 7 are odd numbers.. like 7*1, 7*3,7*5..
There are 720 of them.
5 of them.
Multiples of 50 are the only numbers that are both. All other multiples of 5 aren't.
Multiples of 5.
There are 457 such numbers.
All multiples of 5 are numbers ending in either 5 or 0.
the common multiples of 5 and 6 is 30