The speed of a boat in still water is $10 \text{ km/h}$ and the speed of the stream is $2 \text{ km/h}$. Find the total time taken by the boat to travel $36 \text{ km}$ downstream and return back to the starting point.

Options:

• A: $6 \text{ hours}$
• B: $7.5 \text{ hours}$
• C: $8 \text{ hours}$
• D: $9 \text{ hours}$

Related Practice Questions:

• Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
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