Barrel A contains a mixture of kerosene and oil in the ratio 5:2, and Barrel B contains the mixture of oil and kerosene in the ratio 6: 7. In what ratio should these mixtures be mixed to obtain a new mixture containing kerosene and oil in the ratio 8: 5?
A. 4 : 3
B. 3 : 4
C. 5 : 6
D. 7 : 9
Answer:D
Barrel A contains a mixture of kerosene and oil in the ratio 5:2, and Barrel B contains the mixture of oil and kerosene in the ratio 6: 7. In what ratio should these mixtures be mixed to obtain a new mixture containing kerosene and oil in the ratio 8: 5?
A. 4 : 3 B. 3 : 4 C. 5 : 6 D. 7 : 9
Explanation: Permutation