1.

In making an alloy, a substance of specific gravity `s_(1)` and mass `m_(1)` is mixed with another substance of specific gravity of the alloy isA. `((m_1 + m_2)/(s_1 + s_2))`B. `((s_1 s_2)/(m_1 + m_2))`C. `(m_1 + m_2)/((m_1)/(s_1) + (m_2)/(s_2))`D. `((m_1)/(s_1) + (m_2)/(s_2))/(m_1 + m_2)`

Answer» Correct Answer - C
`S = (m_1+ m_2)/(V_1 + V_2) = (m_1 + m_2)/((m_1)/(s_1) + (m_2)/(s_2))`.


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