Question

5,10 are divisible by 1055​

Answer 1

A positive integer N is divisible by:

• 5 , if the last digit of N is either 0 or 5
• 10 , if the last digit of N is 0

If N = 1055:

• It is divisible by 5 since the last digit is 5.
• It is not divisible by 10 as the last digit is 5 and not 0.