You don't need to say a thing Part 4

Logic Level 1

Think of a 2 digit positive integer. Multiply it by 3 and add 6. Then multiply it by 3 and add 13. Find the sum of the digits of the resultant number. And again, find the sum of digits of the last resultant number. I know what number you have left. What must it be?

×

Problem Loading...

Note Loading...

Set Loading...