Carib Quiz - Mathematics
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Mathematics
1. 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?

2. Question

How much simple interest is due on a loan of $240 for two years if the annual rate of interest is 4 per cent?

3. Question

How many grams are in 2 kilograms?

4. Question

The expression (3x - 2)(x + 1) =

5. Question

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

6. 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?

7. Question

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

8. Question

-7 - (-3) =

9. Question

8x - 4(x - 5) =

10. Question

0.045 × 10-3 in scientific notation is

11. Question

The marked price of a bicycle was $260. A man bought the bicycle on hire-purchase by making a down payment of $100, and twelve monthly payments of $16 each. How much could he have saved if he had bought the bicycle for the marked price?

12. Question

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

13. 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?

14. Question

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

15. Question

The decimal equivalent of 7/8 is

16. Question

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

17. Question

If x is an odd number, which of the following is also odd?

18. Question

A square has the same area as a rectangle with sides of length 9 centimetres and 16 centimetres. What is the length of the square?

19. Question

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

20. 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?

21. Question

The decimal equivalent of 3/8 is

22. 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

23. Question


The shaded area in the Venn diagram above represents

24. Question

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

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

The number 2549 written to 2 significant figures is

27. Question

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

28. Question

How many lines of symmetry does this shape have?

29. Question


In the diagram, B is due north of A; C is east of B, and AB = BC.

30. Question

31. Question


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

32. Question

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

33. 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?

34. Question

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

35. Question

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

36. Question

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

37. Question

The interest rate on investments in a bank decreased from 8 1/2 per cent per annum to 6 per cent per annum. The difference in annual interest on a deposit of $2 000 is

38. Question

Which of the following is NOT a prime number?

39. 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?

40. Question

The expansion of (x - 2)2 is

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