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A solution is to be kept between 77° F and 86° F. What is the range in temperature in degree Celsius (C) if the Celsius / Fahrenheit (F) conversion formula is given by F = 9/5 C + 32°?(a) [15°, 20°](b) [20°, 25°](c) [25°, 30°](d) [30°, 35°]This question was addressed to me during an online interview.This intriguing question originated from Graphical Solution of Linear Variable in Two Variables in chapter Linear Inequalities of Mathematics – Class 11 |
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Answer» Correct answer is (c) [25°, 30°] |
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