Question

If the number 345xy is divisible by 90,then (x+y)?

Answer 1

Answer:

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Answer 2

Answer :

The number is 34560 and x+y=6

explanation:

345xy is a number that divisible by 90

therefore 345xy is divisible 10 by 9

As we know the divisibility rule of 10 that the unit place should be 0

therefore value of y=0

Now,as we know the divisibility rule of a that sum of digits of the number should be divisible by 9

therefore 3+4+5+x+y=9m

12+x+10=9m

so the smallest number that should be added to 13 that is also divisible by 9 is 7

therefore x=6

hence The number is 34560 and x+y=6

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