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Mathematics
1. Question

A man bought a shirt at a sale. He saves \$30 on the normal price when he paid \$120 for the shirt. What was the percentage discount on the shirt?

2. Question

When rotated through 90° about the origin in a clockwise direction, the image of the point (3, 1) is

3. Question

The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?

4. Question

Which of the following is the Highest Common Factor of 18, 24 and 36?

5. Question

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

6. Question In the circle above, the circumference is 20 cm. The length of the arc AB, in centimetres, is

7. Question

The expansion of (x - 2)2 is

8. Question

A square has the same area as a rectangle with sides of length 4 centimetres and 25 centimetres. What is the length of the square?

9. Question

The number 32747 written to 4 significant figures is

10. Question The shaded area in the Venn diagram above represents

11. Question

In coordinate geometry, the equation of the x-axis is

12. Question

The equation of the line which passes through the point (0, 2) and has a gradient of 1/3 is

13. Question

Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is \$300, what is Bob's share?

14. Question

\$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets \$15 more than Keith, what is the value of x ?

15. Question

What is the simple interest earned on \$10 000 invested for 3 months at a rate of 5% per annum?

16. Question

How many grams are in 2 kilograms?

17. Question

Which of the following is a subset of {b, c, d}?

18. Question

The number 2549 written to 2 significant figures is

19. Question

The expression a2 + b2 is equivalent to

20. Question

A store charges 15% VAT on all sales. What is the total cost of a TV set marked at \$300 ?

21. Question

After a 10% discount, an article is sold for \$360. The price before the discount was

22. Question In the Venn diagram above, the shaded portion represents

23. Question

Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

24. Question

The decimal equivalent of 3/8 is

25. Question

3x - 4(x + 6) =

26. Question

The water authority charges \$10.00 per month for the meter rent, \$2.50 for the first 1 000 litres and \$0.10 for each additional 100 litres. What is the total bill for 2 500 litres used in one month?

27. Question

After a 5% discount, an article is sold for \$475. The price before the discount was

28. Question

Which of the following is a prime number?

29. Question The pie chart above shows how a student used 10 hours per week for studying English (E), Mathematics (M), French (F) and Geography (G), The amount of hours spent studying French is approximately

30. Question

0.045 × 10-3 in scientific notation is

31. Question 32. Question

The table shows the distribution of the ages of 25 students. What is the probability that a student chosen at random is AT LEAST 13 years old?

33. Question

If x = 2 and y = -1, then 3x - 5y / xy2

34. Question

How many lines of symmetry does this shape have? 35. Question

If x = 23 × 52 =, then x4 =

36. Question The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

37. Question

0.0039 × 10-2 in scientific notation is

38. Question In the rectangle above, if ∠AEB = 80°, then ∠DAC =

39. Question

A shopkeeper buys 48 radios for a wholesale price of \$7200. At what price per radio must he sell to make a profit of 15% on his cost?

40. Question

Which of the following sets has an infinite number of members?

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