Quiz

Year 1: Proportionality

10 questions with solutions for year 1: ratios and proportions, direct and inverse proportion, the rule of three, sharing – review problems.

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

1. Simplify the ratio 18 ÷ 72.

A. 1 ÷ 3

B. 2 ÷ 7

C. 1 ÷ 4

D. 3 ÷ 8

2. Plot A is 80 m × 60 m, plot B is 90 m × 50 m. Ratio of their areas?

A. 15 ÷ 16

B. 16 ÷ 15

C. 8 ÷ 9

D. 4 ÷ 3

3. (15 − x) : x = 3 ÷ 2. x = ?Enter a number only

4. Divide 160 in the ratio 2 ÷ 5 : 7 ÷ 6. What is the largest part?Enter a number only

5. 80 bus tickets cost 640 denars. How much do 60 tickets cost?Enter a number only

6. A forest worker cut 486 m³ of wood in 9 days. How many m³ in 16 days?Enter a number only

7. Nine workers did a job in 30 days. How many workers are needed to do it in 10 days?Enter a number only

8. 8 workers earned 6240 denars in 13 days. How much will 15 workers earn in 6 days?Enter a number only

9. 10 miners dug 40 tonnes of coal in 8 hours. How many tonnes will 8 miners dig in 6 hours?Enter a number only

10. A sum is shared by 3 people: the first gets 1/4, the second 2/5 and the third 126000 denars. What is the sum?Enter a number only