[Jail Warder S-4 2021 ]
7. A hospital uses a mixture of A and B. Mixture A consists of salt and water at Rs. 7.62/litre and contains 5% salt. Mixture B contains 75% water and costs Rs. 7.82/litre. How much does the patient pay if he buys 15 litres of mixture containing 18% salt?
116.25
118.50
114.50
117.25
Correct Answer :
116.25