TagsThe digits of a 3-digit number A are written in the reverse order to form another 3-digit number B. If B > A and B – A is perfectly divisible by 7 then which of the following is necessarily true
Tag: The digits of a 3-digit number A are written in the reverse order to form another 3-digit number B. If B > A and B – A is perfectly divisible by 7 then which of the following is necessarily true
