Question

If abc is a 3-digit number write bca and cab. Hence, prove that their sum is divisible by 111​

Answer 1

Answer:

Hiya here's your answer -

Assume ABC as any three digit no. which is multiple of 111 like - 777

Then,

ABC+BCA+CAB=?

777+777+777=2331

which is a multiple of 111.

hence proved

hope it helps...........