Question

A four digit number divisible by 7 becomes divisible by 3 when 10 is added to it. The largest such number is...

Please give complete explanation
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Answer 1

6986

6996

Step-by-step explanation:

6986 is divisible by 7 and 6986+10=6996 is divisible by 3

Answer 2

Step-by-step explanation:

it is clear that out four digit number is not a multiple of the number 3. So from the options that you're given, choose the one which is not a multiple of 3. So the largest such number of 9989.

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