Five marks example problems I — task. Mathematics State Board, Class 10.

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If the highest common factor (HCF) of \(210\) and \(55\) is expressible in the form \(55x - 325\), find \(x\).

Since \(>\) , apply Euclid's division lemma.

\begin{array}{l} i = i \times i + i \\ i = i \times i + i \\ i = i \times i + i \\ i = i \times i + 0 \end{array}

HCF \(=\)

The value of \(x\) \(=\) .

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11. Five marks example problems I