a and b are positive integers less than or equal to 8. If a and b are assembled into the six-digit number ababab, which of the following must be a factor of ababab?
Choices:
A) 3  B) 4  C) 5  D) 6  E) none of the above
484848 when divided by 4 gives the result 121212   CONCEPT: Rule of Divisibility of 4 isIf sum of the digits of the Number is divisible by 4 then the number will be divisible by 2   SUm of the digits of No. which is divisible by 4 hence the Number 121212 will be divisible by 4   4
<result>B</result>
a and b are positive integers less than or equal to 8. If a and b are assembled into the six-digit number ababab, which of the following must be a factor of ababab?