Quiz

Year 1: Proportionality

10 questions with solutions for year 1: ratio and proportion, direct and inverse proportion, the rule of three, percentages, dividing in a given ratio.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. x : 6 = 10 ÷ 15. x = ?Enter a number only

2. Simplify the ratio 18 ÷ 24.

A. 2 ÷ 3

B. 3 ÷ 4

C. 4 ÷ 3

D. 9 ÷ 12

3. 5 kg of apples cost 300 denars. How much do 8 kg cost?Enter a number only

4. 6 workers finish a job in 10 days. How many days will 4 workers take?Enter a number only

5. What is 15% of 240?Enter a number only

6. A price of 800 denars falls by 25%. What is the new price?Enter a number only

7. 18 is what percentage of 72?Enter a number only

8. 30% of a number is 45. What is the number?Enter a number only

9. Divide 120 in the ratio 3 ÷ 5. What is the larger part?Enter a number only

10. x and y are inversely proportional and x = 4 when y = 9. What is y when x = 6?Enter a number only