A three digit number divisible by 7 becomes divisible by 3 when 7 is added to it.

A three digit number divisible by 7 becomes divisible by 3 when 7 is added to it. The largest such number is :

Quiz

Answer/Solution

896

Steps/Work

Out of all the 5 options, only 896 is NOT divisible by 3. All others are divisible
So Answer = B(No further calculation required)
Addition of any two non-divisible numbers by 3 gives the resultant divisible by 3
7 is non-divisible by 3; we are adding a number to that so that the resultant becomes divisible by 3
Applying the above rule,It means that the number which we are going to add should be non-divisible by 3
So comes the answer = 896
Answer : B