A farmer have 18 kg urea and 10kg of potassium He mixes both of them and uses P kg of mixture for hi...........

Quantitative Aptitude (Insurance) Mixture and Alligation

A farmer have 18 kg urea and 10kg of potassium. He mixes both of them and uses P kg of mixture for his field. If farmer added (P-4.6) kg of potassium to remaining mixture, the new ratio of Urea and potassium becomes 7:6, find what amount at potassium was added by farmer?

3.8 kg