1 . A boat has a crack in its bull which is leaking water into the boat and could pump which can pump the water out in 8 hours . If the boat is 168 km away from the shore and the pump is running what is the minimum speed the boat should run at so that it can reach the shore before sinking?

• A. 5km./hour
• B. 6 km/hour
• C. 7 km/hour
• D. 8km/hour

Answer: Option C

Explanation: