There are two drums, each containing a mixture of paints A and B. In drum 1, A and B are in the ratio 18 : 7.

Question

There are two drums, each containing a mixture of paints A and B. In drum 1, A and B are in the ratio 18 : 7. The mixtures from drums 1 and 2 are mixed in the ratio 3 : 4 and in this final mixture, A and B are in the ratio 13 : 7. In drum 2, then A and B were in the ratio

Select an option to reveal the answer and explanation

Accepted Answer

239 : 161. It is given that in drum 1, A and B are in the ratio 18 : 7. Let us assume that in drum 2, A and B are in the ratio x : 1. It is given that drums 1 and 2 are mixed in the ratio 3 : 4 and in this final mixture, A and B are in the ratio 13 : 7. By equating concentration of A ⇒ \Rightarrow ⇒ 3 ∗ 18 18