Find the value of Z of for which the number 47 1z8 is divisible by 9 also find the number
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if 471z8 is divisible by 9 then
4+7+1+z+8 is also divisible by 9
20+z is also divisible by 9
as we all know that the z is a sinngle digit
then,
the nearest no. to 20 that is divisible to 9 is 27
therefore z=7
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