Divisibility by 3

Is 732 divisible by 3?

31x5 divisible by 3 ?

Use proof by contradiction to prove that if for an integer a, a^2 is divisible by 3, then a is divisible by 3.

Use proof by contradition to prove that if for an integer a, a^2 is divisible by 3, then a is divisible by 3.

The number 311311311311311311311 is neither divisible by 3 nor by 11 divisible by 11 but not by 3 divisible by 3 but not by 11 divisible by both 3 and 11

Given below are two pairs of statements. Combine these two statements using if and only if. p: If the sum of digits of a number is divisible by 3, then the number is divisible by 3. q:If a number is divisible by 3, then the sum of its digits is divisible by 3.

Given below are two pairs of statements. Combine these two statements using if and only if : p : If the sum of digits of a number is divisible by 3, then the number is divisible by 3. q : If a number is divisible by 3, then the sum of its digits is divisible by 3.

Given below are two pairs of statements. Combine these two statements using if and only if: p: if the sum of the digits of a number is divisible by 3, then the number is divisible by 3.q: if a number is divisible by 3, then the sum of its divisible by 3.

Given below are two pairs of statements. Combine these two statements using if and only if: p : if the sum of the digits of a number is divisible by 3, then the number is divisible by 3. q : if a number is divisible by 3, then the sum of its divisible by 3.