Carib Quiz - Mathematics
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Mathematics
1. Question

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

2. Question

In a school of 910 pupils, 3/7 are boys and 2/5 of the boys wear glasses. How many boys wear glasses?

3. Question


The diagram above shows the graphs of 3x - y = 1 and 5x + 2y = 20 . Which ordered pair (x, y) satisfies both equations?

4. Question

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

5. Question

If US$1.00 is equivalent to EC$2.68, how much in US$ would one get for EC$100?

6. Question

3x - 4(x + 6) =

7. 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?

8. 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

9. Question


In the Venn diagram above, the shaded portion represents

10. Question

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

11. Question

Which of the following sets has a finite number of members?

12. Question

A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?

13. Question

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

14. Question

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

15. 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?

16. Question

Which of the following is a prime number?

17. Question

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

18. 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?

19. Question

Which of the following is NOT a prime number?

20. Question

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

21. Question


The area of the trapezium ABCD above is

22. 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?

23. Question


In the figure above, the shaded portion represents

24. Question

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

25. Question

The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. What is the perimeter of the resulting square?

26. 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 ?

27. Question

Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is

28. Question


The shaded area in the Venn diagram above represents

29. Question

A rectangular tank is 50 cm long, 50 cm wide and 10 cm deep. The volume of liquid it will hold is

30. 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?

31. Question

The range of values of v when 5 - v ≤ 2v - 1 is

32. Question

If x = 23 × 52 =, then x4 =

33. Question

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

34. Question


Which of the following relations is represented by the graph shown above?

35. Question

The water authority charges $20.00 per month for the meter rent, $2.00 for the first 1 000 litres and $0.20 for each additional 100 litres. What is the total bill for 2400 litres used in one month?

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

The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?

38. Question


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

39. Question

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

40. Question

The value of 5 in the number 357.21 is

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