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There are 10 questions in this quiz.

Your score, based on your number of tries for each question, will appear at the top of the page once you have correctly answered all questions. If you score less than 100%, revise these calculations, then attempt this quiz again.

Hint If you want to work out the number of hours, divide the result by 60.

The volume remaining is 30 ml. The drop factor on the set is 15. The drops per minute (calculated when set up) is 45.

How many minutes will this take?

10

90

100

The volume remaining is 600 ml. The drop factor on the set is 20. The drops per minute (calculated when set up) is 40.

How many minutes will this take?

300

30

3000

The volume remaining is 180 ml. The drop factor on the set is 60. The drops per minute (calculated when set up) is 30.

How many minutes will this take?

360

36

3600

The volume remaining is 1200 ml. The drop factor on the set is 15. The drops per minute (calculated when set up) is 36.

How many minutes will this take?

500

5

50

The volume remaining is 240 ml. The drop factor on the set is 20. The drops per minute (calculated when set up) is 24.

How many minutes will this take?

200

2

20

The volume remaining is 500 ml. The drop factor on the set is 60. The drops per minute (calculated when set up) is 80.

How many minutes will this take?

375

37.5

880

The volume remaining is 420 ml. The drop factor on the set is 20. The drops per minute (calculated when set up) is 84.

How many minutes will this take?

100

10

1

The volume remaining is 860 ml. The drop factor on the set is 60. The drops per minute (calculated when set up) is 80.

How many minutes will this take?

645

64.5

6.45

The volume remaining is 1080 ml. The drop factor on the set is 20. The drops per minute (calculated when set up) is 18.

How many minutes will this take?

1200

120

12

The volume remaining is 100 ml. The drop factor on the set is 60. The drops per minute (calculated when set up) is 40.