Let the number of novels on historical, thriller and fantasy be x, y and z respectively. Given, (x + y + z)/3 = 195 => x + y + z = 585 ….. (1) And, (x + z)/2 = 150 => x + z = 300 ….. (2) From equation 1 and 2 Number of novels on thriller = y = 285 Number of novels on fantasy = 0.8 × 285 = 228 Therefore, number of novels on historical = 585 – (285 + 228) = 72
In the isothermal Process ______________ remains Constant.
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I) Voltmeter - Measures potential difference
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