If the milk and water ware added in the ratio 5:4 then how much more water should be added so he gets the ratio of 6:7.  Choose the correct choice from the following options.
A) 5/6  B) 11/6  C) 7/6  D) 11/5  E) 5/11
let quantity of water should added be x then   A/Q   5/(4+x)= 6/7   =&gt; 35=24+6x   =&gt; x=11/6   ANSWER:11/6
<result>B</result>
If the milk and water ware added in the ratio 5:4 then how much more water should be added so he gets the ratio of 6:7.