IBPS Government Jobs Exams Numerical Ability Alligation or Mixture

In a milk and water solution, the ratio of milk and water is 3:1. If 20 litres of mixture is taken out and 9 litres milk is added to the mixture then the percentage water in the mixture becomes 14(2/7)%. What is the total volume of the initial mixture?
A) 24 litres B) 27 litres C) 36 litres D) 32 litres E) None of thses

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IBPS Other Question

Four years ago ratio of ages of A and B was 5:3. The sum of the present age of A, B and C is 80 years. If present age of C is equal to the sum of the ages of A and B. What is the present age of A ?
A) 24 B) 20 C) 16 D) 27 E) 30 Suresh gives 60% of his monthly salary to his wife and the remaining he invested in share market. Out of the money his wife got, she spent 20% on groceries, 30% on rent and remaining amount of Rs.18,000 she spent on buying gold. What is monthly salary of Suresh?
A) Rs. 50,000 B) Rs. 45,000 C) Rs. 60,000 D) Rs. 55,000 E) Rs. 65,000