CAT 2005 Question 13

Question 13

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

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pritesh bagaria

11 months, 3 weeks ago

Sir, how can we take z-x=7? coz remainder from 99/7 and value of (z-x) should be divisible by 7 right?

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