Question

Suppose 3 digit number abc is divisible by 3.prove that abc+bca+cab os divisible by 9

Answer 1

Answer:

yes,

Step-by-step explanation:

For any number to be o divisible by 9, its sum of indvidual digits to be divisible by 9.

Since the given no.  abc be 3*x. = 3x

The others also are same.

Therefore the no is 3x+3x+3x = 9x , which oi automatically divisible by 9.