A 300 ft. train is traveling 300 ft. per minute must travel through a 300 ft. long tunnel. How long will it take the train to travel through the tunnel?
Answer: Two minutes. It takes the front of the train one minute and the rest of the train will take two minutes to clear the tunnel.
Solution:
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A driver of a car wants to cover a total distance of 1000 KM. Apart from the 4 tires of the car, he has also in his disposal a spare tire. If he wants to use equally all the tires of the car, how much distance each tire should cover?
Answer: 800 KM
Solution:
Let Tire numbers be 1,2,3,4,5
1) Use Tire 1234 for 0-200 km
2) Use Tire 1235 for 2000-400 km
3) Use Tire 1254 for 4000-600 km
4) Use Tire 1534 for 6000-800 km
5) Use Tire 5234 for 8000-1,000 km
As you may have noticed, each Tire is used 4 times so total of 200×4 = 800 KM
As we can see each Tire gets to run 800 km
Correct answer: 800 KM
Let Tire numbers be 1,2,3,4,5
1) Use Tire 1234 for 0-200 km
2) Use Tire 1235 for 2000-400 km
3) Use Tire 1254 for 4000-600 km
4) Use Tire 1534 for 6000-800 km
5) Use Tire 5234 for 8000-1,000 km
As you may have noticed, each Tire is used 4 times so total of 200×4 = 800 KM
As we can see each Tire gets to run 800 km
Correct answer: 800 KM
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