\begin{array} { l } { \text { A man covers } 15 \mathrm { km } \text { in } 3 \text { hours, by partly cycling } } \\ { \text { and partly walking. If the person walks at a } } \\ { \text { speed of } 3 \mathrm { km } / \mathrm { hr } \text { and cycles at a speed of } 9 } \\ { \mathrm { km } / \mathrm { hr } . \text { What is the distance he cover by cycling? } } \end{array}

\begin{array} { l } { \text { A man covers } 15 \mathrm { km } \text {

1.	\begin{array} { l } { \text { A man covers } 15 \mathrm { km } \text { in } 3 \text { hours, by partly cycling } } \\ { \text { and partly walking. If the person walks at a } } \\ { \text { speed of } 3 \mathrm { km } / \mathrm { hr } \text { and cycles at a speed of } 9 } \\ { \mathrm { km } / \mathrm { hr } . \text { What is the distance he cover by cycling? } } \end{array}
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