question_answer

Ajay purchased two different kinds of vinegar. In the first mixture, vinegar is 75% and in the second mixture, vinegar is 83.33%. If he mixes, the two given mixtures and makes a third mixture in which the percentage of vinegar is 80%, what is the quantity of the first mixture that is required to make 20 litres of the third kind of mixture?

A)  8 litres

B)  9 litres

C)  6 litres

D)  7 litres

E)  None of these