Carib Quiz - Mathematics
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Mathematics
1. Question

A shopkeeper buys 24 CD players for a wholesale price of $1800. At what price per CD player must she sell to make a profit of 10% on her cost?

2. Question

Which of the following is a prime number?

3. Question


In the Venn diagram above, the shaded portion represents

4. Question

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

5. Question


In the figure above, the shaded portion represents

6. Question


In the Venn diagram above, the shaded portion represents

7. Question


In the circle above, the circumference is 10 cm. The length of the arc AB, in centimetres, is

8. Question


In the figure above, AB || CD and ∠BAD = 32° . ∠APC =

9. Question

The number 32747 written to 4 significant figures is

10. Question

8x - 4(x - 5) =

11. Question

The decimal equivalent of 7/8 is

12. Question

How many subsets does the set {a, b, c, d, e} have?

13. Question

A rectangular tank is 100 cm long, 30 cm wide and 12 cm deep. The volume of liquid it will hold is

14. Question

3x - 4(x + 6) =

15. 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?

16. Question

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

17. Question

0.0039 × 10-2 in scientific notation is

18. Question

In a box, there are 3 white, 4 red and 2 blue marbles. What is the probability that a marble taken at random is NOT blue?

19. Question

A circular hole with diameter 4 cm is cut out of a circular piece of card with a diameter of 16 cm. The area of the remaining card, in cm2 , is

20. 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?

21. Question

This question refers to the triangle PQR in which angle QPR = 90°, PR = 12 cm and PQ = 5 cm.

The length of QR, in cm, is

22. Question

23. Question

How many grams are in 2.5 kilograms?

24. Question

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

25. Question

The Item refer to the information below The following scores were obtained by eleven footballers in a goal-shoot competition:

The median score was

26. Question


In the figure above, for which point is the x-coordinate positive and the y-coordinate negative?

27. Question

The expression a2 + b2 is equivalent to

28. Question

Which of the following represents numbers greater than -3 but less than 6 ?

29. Question

The exterior angles and the interior angles of a polygon are equal. How many sides does the polygon have?

30. Question

If x = 23 × 52 =, then x4 =

31. Question

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

32. Question

The sizes of the interior angles of a polygon are x°, 2x°, 60°, 3x° and 36°. What is the value of x ?

33. Question

If x = 32 × 23, then x4 =

34. Question

If p * q = pq2 , then 2 * 3 =

35. Question

Given that a and b are integers, which of the following is not necessarily an integer?

36. Question

The width of a block of wood with rectangular cross-section is x cm. Its height is 2/3 its width and its length is 4 times its height. What is its volume in cm3?

37. Question

If an increase of 20% will change the price of an item to $480, what is the original price of the item?

38. Question

Which of the following words BEST describes a triangle with all its sides equal?

39. Question

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

40. 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

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