1.

The digits of a three -digit number A are written in the reverse order to form another three-digit number B. If Bu003eA and B-A is perfectly divisible by 7, then which of the following is necessarily true?

A. 100u003cAu003c299
B. 106u003cAu003c 305
C. 112u003cA u003c311
D. 118u003cAu003c317
Answer» C. 112u003cA u003c311


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