<p>Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced><mrow><msub><mi>C</mi><mi>p</mi></msub><mo>/</mo><msub><mi>C</mi><mi>V</mi></msub></mrow></mfenced></math>&nbsp;of the mixture will be:</p>