Tesla Motors Inc Mock Interview
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Question 31 of 35
You're in a row boat, which is in a large tank filled with water. You have an anchor on board, which you throw overboard. Does the water level in the tank rise or fall?
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Kevin Downey has an extensive background in business management, recruiting, branding and marketing. He's volunteered his career coaching services at job fairs, lecturing on interview techniques and crafting winning resumes and cover letters.
This technical brain teaser is designed to observe your analytical skills in action. It is designed for the interviewer to determine if you can think through and resolve such questions quickly with the limited data they present.
You can look up the answer to this question online and rehearse your answer. Show off your analytical abilities and your communication skills.
Kevin Downey has an extensive background in business management, recruiting, branding and marketing. He's volunteered his career coaching services at job fairs, lecturing on interview techniques and crafting winning resumes and cover letters.
"I think I remember this one. It follows the Archimedes principle, doesn't it? When the anchor is in the boat, it contributes to the boat's mass due to its buoyancy and weight distribution, causing the water level to rise. Should the smaller and denser object of the anchor be dropped in the tank and rest on the bottom, the boat's mass is reduced, increasing its buoyancy, and the water level would go down. However, if the anchor did not touch the bottom and was below the boat, pulling down on it and still contributing to its increased weight distribution and also entering the water, the water level would rise almost imperceptibly due to it also entering the water and increasing its volume."
Kevin Downey has an extensive background in business management, recruiting, branding and marketing. He's volunteered his career coaching services at job fairs, lecturing on interview techniques and crafting winning resumes and cover letters.
"If the anchor hits the bottom of the tank, I think the water lever would lower, and the boat would rise."
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