Question

. if abc is a three digit number, then the number abc - a-b-c is divisible by (a) 9 (b) 90 a (c) 10

Answer 1

Answer:

900

Step-by-step explanation:

as it should be a common divisor for 9 ,90 and 10

the perfect number would be 900  

as it is divisible by all 3 numbers