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Re: If K is divided by 9, the remainder is 4. What is the [#permalink]
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let's assume a number when divided by 9 leaves 4 as a reminder. (13,22,31 .... etc)

then, 3*13=39, therefore, the remainder is 3 when 39 is divided by 9.

thus, 3 is the answer
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Re: If K is divided by 9, the remainder is 4. What is the [#permalink]
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\(k = 9q+4\)
\(3k = 27q + 12\)
\(3k/9 = 27/9 q + 12/9\)
\(3k/9 = 3q + 12/9\)
\(12/9\) --> remainder of 3
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Re: If K is divided by 9, the remainder is 4. What is the [#permalink]
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