10. They are the first ten multiples of 9.
192 ways
1
If repetition of digits isn't allowed, then no13-digit sequencescan be formed from only 5 digits.
Between 1 and 2018, 1008 are not divisible by 2.1613 are not divisible by 5.
None. 3 digit numbers are not divisible by 19 digit numbers.
192 ways
There are 13 such numbers.
5 ^12
1
If repetition of digits isn't allowed, then no13-digit sequencescan be formed from only 5 digits.
Between 1 and 2018, 1008 are not divisible by 2.1613 are not divisible by 5.
How many numbers are divisible by 9 between 5 and 1000²
There are many possible solutions. One such is 132486970
There are 6484 digits BETWEEN the two given numbers.
None. 3 digit numbers are not divisible by 19 digit numbers.
Any number (however many digits) that is divisible by 3 and by 4 MUST be divisible by 6. So there cannot be a number that meets the requirements of the question.
None. Extremely simple proof: To be divisible by 5 the units digit must be 5. But then it would not be divisible by 2.