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 - Eronomy

1. After division of a number successively by 3, 4, and 7, the remainders obtained are 2, 1 and 4 respectively. What will be the remainder if 84 divide the same number? Answer – 53 After division of a number successively by 3, 4, and 7, the remainders obtained are 2, 1 and 4 respectively…. read more »