Question

Find the remainder when 432432 + 111111 is divided by 13

• A. 1
• B. 7
• C. 0
• D. 10

Answer 1

Answer:

C. 0

A number of the form " AAAAAA" is completely divisible by the numbers 3, 7, 11, 13, 37,1001 And a number of the form "ABCABC" is completely divisble by the numbers 7, 11, 13, 1001 So here 432432 is completely divisible by 13 so the remainder is 0 Also 111111 is completely divisible by 13 so the remainder is 0 So the remainder when 432432 + 111111 is divided by 13 is 0