Five marks exercise problems VII — task. Mathematics State Board, Class 10.

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Use Eculid's Division Algorithm to find the Highest Common Factor (HCF) of:

\(84\), \(90\) and \(120\)

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

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

Now, apply Euclid's division lemma for \(120\) and .

i = i \times i + 0

HCF of \(84\), \(90\) and \(120\) \(=\)

[Note: Enter the values in the order specified by the division algorithm.]

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20. Five marks exercise problems VII