Quantitative Aptitude Mock Test 13 Welcome to your Quantitative Aptitude Mock Test 13 A mixture contains 20% alcohol and 80% water. If the total volume of the mixture is 100 liters, what is the volume of alcohol in the mixture? 30 liters 20 liters 10 liters 40 liters Hint A train travels 200 km in 3 hours. What is the average speed of the train? 66.67 km/hr 76.67 km/hr 96.67 km/hr 56.67 km/hr Hint A person invests Rs. 20000 at a rate of 7% per annum for 3 years. What is the compound interest he receives at the end of 3 years? Rs. 6574 Rs. 4974 Rs. 4574 Rs. 3574 Hint A shopkeeper buys an article for Rs. 150 and sells it for Rs. 180. What is his profit percentage? 25% 20% 30% 35% Hint A shopkeeper sells an article at a loss of 20%. If the selling price of the article is Rs. 80, what is the cost price of the article 150 125 100 200 Hint A mixture contains 40% milk and 60% water. If the total volume of the mixture is 200 liters, what is the volume of milk in the mixture? 80 liters 60 liters 120 liters 100 liters Hint A person travels 100 km by car and 100 km by train. The average speed of the car is 60 km/hr and the average speed of the train is 50 km/hr. What is the average speed of the person for the entire journey? 65 km/hr 50 km/hr 60 km/hr 70 km/hr Hint Time's up