2 and 3, yes. 5 and 10, no.
No.
It is 90.
From 10 to 99 (inclusive) there are 90 numbers.18 are evenly divisible by 5.Therefore 72 are not.
138 is not divisible by 18.
18 is not divisible by 5 and 7.
20 is not divisible by 18.
-- Neither 2 nor 5 is divisible by 18. -- 18 is divisible by 2, but not by 5.
18
5
90 is divisible by: 1 2 3 5 6 9 10 15 18 30 45 90.
All multiples of 18 are divisible by 9. Not all multiples of 9 are divisible by 18.
5715 is not divisible by 2: the last digit is not an even number or 05715 is divisible by 3: as the last two digits when added together is a multiple of 35715 is divisible by 5: as the last digit is a 5 or 05715 is divisible by 9: as if u added all the digits of the number it will be divisible by 9, in this case 5 +7+1+5=18 and 18 is a multiple of 95715 is not divisible by 10: as the last digit is not a 0