Quantitative Aptitude Mock Test 7

Welcome to your Quantitative Aptitude Mock Test 7

The ratio of the number of boys to the number of girls in a class is 3:2. If there are 18 boys in the class, how many girls are there?

Two quantities are in the ratio 5:7. If the smaller quantity is 35, what is the larger quantity?

A bag contains coins of 50p, 25p and 20p in the ratio 2:3:4. If the total value of the coins is £2.50, what is the number of 50p coins in the bag?

If a:b=3:5 and b:c=2:7, what is the ratio a:c ?

A recipe for a cake calls for 2 cups of flour and 1 cup of sugar. If you have 4 cups of flour, how many cups of sugar do you need?

A train travels 200 kilometers in 2 hours. What is the average speed of the train?

A mixture of water and alcohol is in the ratio 2:3. If there is a total of 10 liters of the mixture, how much alcohol is in the mixture?

A car uses 10 liters of fuel to travel 100 kilometers. What is the fuel efficiency of the car?