(in Number divisible by 5 In AABC. prove that sec() - coser

In the set of all natural numbers,let a relation defined by {(a,b):a,binN,a-b is divisible by 5} .Prove that R is an equivalence relation.

Are all the numbers divisible by 5 are divisible by 10?

The number divisible by 2, 5 and 10 is ________

If a number is divisible by both 5 and 7, then it must necessarily be divisible by____

A number is divisible by both 5 and 12. By which other number will that number be always divisible?

A number is divisible by both 5 and 12. By which other number will that number be always divisible?

A number is divisible by both 5 and 12. By which other number will that number be always divisible?

A number is divisible by both 5 and 12. By which other number will that number be always divisible?