1 Given: a price rises by 10% and then falls by 10%

2

3 Given: x + y > 10 and y < 3

4 Given: a circle has area 16π

5 Given: k is a positive integer

6 The ratio of a to b is 2 : 3 and the ratio of b to c is 4 : 5. What is the ratio of a to c?

7 Which values of x satisfy −3 < 2x + 1 < 7?

8 An investment grows by 50% one year and loses 50% the next. What is the overall change?

9 If xy = 12 and x² + y² = 25, what is (x + y)²?

10 A recipe uses 3 cups of flour for every 2 cups of sugar. How much sugar is needed with 7.5 cups of flour?

11 In a circle, a central angle of 72° cuts off an arc. What fraction of the circumference is the arc?

12 The sides of a triangle are 5, 12 and 13. What is the length of the altitude to the hypotenuse?

13 What is the area of a trapezoid with parallel sides 8 and 14 and height 5?

14 If two sides of a triangle are 6 and 10, which of the following could be the third side? (Select all that apply.)

15 A wheel of radius 0.5 m makes 100 complete turns. How far does it travel?

16 A survey of 400 people found that 45% prefer buses, 30% prefer the metro and the rest prefer rickshaws. How many prefer rickshaws? (Numeric entry)

17 Two dice are rolled. What is the probability that the total is 7? Give your answer as a fraction in lowest terms. (Numeric entry)

18 How many ways can a team of 2 boys and 2 girls be chosen from 5 boys and 4 girls?

19 A data set is {2, 4, 4, 6, 9}. If every value is increased by 3, what happens to the standard deviation?

20 The median of five different positive integers is 10 and their mean is 12. What is the greatest possible value of the largest integer? (Numeric entry)