Prove that if I add a number to itself, the resulting number is divisible by 2. [2 MARKS]
Proof: 2 Marks Let the number be x. x + x = x(1 + 1) = 2x. Hence the number is divisible by 2.
If I add a 2 digit number and the number formed by swapping digits, the resultant number is surely divisible by ___
If I add a 2 digit number and the number formed by swapping digits, the number is surely divisible by ___
If I add a 2 digit number and the number formed by reversing the digits, then the sum is surely divisible by