question_answer

          Two identical jars filled with acid solution are mixed together. Ratio of the volumes of acid  to the volume of water in Jar A is p:1 and in Jar B is q: 1. In the mixture of the  two Jars A and B, the ratio of acid to water is 

A)  \[\frac{p+q+2}{p+q+2pq}\]                     

B)  \[\frac{p+q+2q}{p+q+1}\]

C)  \[\frac{p+q+2pq}{p+q+2}\]       

D)  \[\frac{p+q+pq}{p+q+2}\]