A one foot long rod was marked off in sevenths and also in fourths. If

A one foot long rod was marked off in sevenths and also in fourths. If the rod is then cut into separate pieces along the markings, which one of the following gives all the different lengths (in feet) of the pieces thus formed? (A) \(\frac14 , \frac17 , \frac114 , \frac128\) (B) \(\frac14 , (…)

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