Greedy-approach
October 26, 2023Greedy-approach
October 26, 2023TIFR PHD 2022
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Question 1
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A snail crawls up a vertical pole 75 feet high, starting from the ground. Each day it crawls up 5 feet, and each night it slides down 4 feet. When will it first reach the top of the pole?
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75th day
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74th day
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73th day
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72th day
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71th day
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Correct Answer: E
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