Arithmetic and number practice.
Percentages, ratios, interest, speed and time: the quantitative aptitude toolkit. Every question has an explanation.
- 50questions
- 3topics
- 2exams
Arithmetic and number in Hong Kong
Practise arithmetic and number with the exams you can take in Hong Kong.
All arithmetic and number topics.
Each topic opens a list of questions with explanations. Choose the exam you are preparing for.
Percentages
20 questions across 1 exam
Percentages and percent change
18 questions across 1 exam
Ratios, rates and proportions
12 questions across 1 exam
Try one now
Real questions, worked answers.
- Percentages · HKDSE (Hong Kong)The price of a camera is first increased by 10 % and then reduced by 25 %. What is the overall change in the price?See the answer and explanation →
- Percentages and percent change · SATWhat is 20 % of 150?See the answer and explanation →
- Ratios, rates and proportions · SATTwo numbers are in the ratio 5:6 and their sum is 77. What is the first number in the ratio?See the answer and explanation →
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- Are the arithmetic and number questions free?
- Yes. Every question, explanation, mock test and flashcard deck is free, with no plans or paywalls.
- Which exams include arithmetic and number?
- SAT, HKDSE (Hong Kong). Pick a topic above, then the exam you are preparing for.