if 21 y5is a multiple of 9 what is the value of Y
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The value of y maybe 1 or multiples of 9.
If it is a multiple of 9 then by adding the number if we get 9 or multiples of 9 then it is multiple of 9.
2+1+1+5=9.
If it is a multiple of 9 then by adding the number if we get 9 or multiples of 9 then it is multiple of 9.
2+1+1+5=9.
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