(Adapted from a brain teaser by Carl Proujan.) 2. Perhaps there is something tasty atop the pole? Left to the reader is a motivation for the sloth to attempt this feat in the first place. On that 25th day, the sloth scrambles up six feet, attaining the 30-foot top of the pole. After 24 days and 24 nights, the sloth is 24 feet up. The math here boils down to a net gain of one foot per day, along with a threshold (24 feet at the beginning of a day) that must be attained so that the sloth can get to the 30-foot mark within a given day. If the pole is 30 feet high and the sloth starts from the ground (zero feet), how many days does it take the sloth to reach the top of the pole?Īnswer: 25 days.
Do you think you have the automotive knowledge of an auto mechanic? Give this test a shot to see how much you know about auto mechanics and the inner workings of cars.A slippery sloth climbs six feet up a utility pole during the day, then slides back down five feet during the night. These are all questions automotive mechanics should be able to answer in their sleep.Īny gearhead or car junkie can call themselves an automotive expert, but a true car expert understands the mechanics of the vehicles they love so much. I'm talking about the mechanical side of them, like how the engine actually creates its power, how the air conditioner cools a vehicle and why coolant is always such a bright color. This is the life of an automotive mechanic, and there is no way to fake this type of experience.Īutomotive knowledge includes things like basic history and understanding the difference between horsepower and torque, but there is a whole other side of cars that is foreign to many car lovers. You earn it through countless years of getting grease under your fingernails, banging your knuckles off sharp metal and hammering off rusted bolts while sticking your arm in spaces it really shouldn't fit. Automotive knowledge is earned, not given.
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