7, 28, 49, 63, 105 is the series of multiples of 7 using 0-9 only once.
7, 42, 63, 98, 105
99876543210
Zero is a multiple of any integer. We generally don't list it, using only the non-trivial multiples.
1, 9, and 81 are the only multiples of 81
7, 14, 28, 56, 903
7x(2-1)=7 7x(5-3)=14 7x(9-6)=21 7x(8-4)=28 7x(7+0)=49 7, 14, 28, 56. 903
There is only one combination. In a combination the order of the numbers does not matter so the only combination is 0123456789. This is the same as 1326458097
7, 28, 49, 63, 105 is the series of multiples of 7 using 0-9 only once.
Five multiples of three that use each digit from 0 to 9 only once are: 12, 30, 45, 69, and 87.
All multiples of 6 (and only those) fulfill this requirement.All multiples of 6 (and only those) fulfill this requirement.All multiples of 6 (and only those) fulfill this requirement.All multiples of 6 (and only those) fulfill this requirement.
7, 42, 63, 98, 105
99876543210
Only multiples of six which are evenly divisible by six are multiples of 12.
Multiples of 50 are the only numbers that are both. All other multiples of 5 aren't.
Zero is a multiple of any integer. We generally don't list it, using only the non-trivial multiples.
1, 9, and 81 are the only multiples of 81