16 litres of alcohol-water mixture in ratio 3 ∶ 1 is mixed with 20 litres of milk-water mixture in ratio 4 ∶ 1. Find the percentage of water in the new mixture.
In a barrel of 56 litres, the volume of milk is 62.5%. If the mixture requires to make 85.71% of milk, how much more amount of pure milk is needed to be added?
1). 91 litres
2). 88 litres
3). 90 litres
4). 85 litres
A box contains red and blue balls in the ratio 5 : 3. If 16 random balls are replaced by 16 balls of blue colour, then the ratio of the number of balls of red and blue colour will be 3 : 5. How many balls of blue colour were there in the box initially?
The milk and water in a mixture are in the ratio 7 ∶ 5. When 15 liters of water is added to it, the ratio of milk and water in the new mixture becomes 7 ∶ 8. The total quantity of water in the new mixture is
1). 35 litres
2). 40 litres
3). 60 litres
4). 96 litres
A grocer purchased 2 kg. of rice at the rate of Rs. 15 per kg. and 3 kg. of rice at the rate of Rs. 13 per kg. At what price per kg should he sell the mixture to earn 33.33% profit on the cost price?
1). Rs. 28.00
2). Rs. 20.00
3). Rs. 18.40
4). Rs. 17.40