some cxc math mc questions .pdf

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CXC Math Past Paper Type Questions Math CXC/CSEC Past Paper Type Question Practice : MATHEMATICS Paper: 1 Date: 2013 Multiple Choice INSTRUCTIONS TO CANDIDATES Each question has four options: A, B, C & D Clearly indicate your answers Calculators must not be used Β© Caribbean Correspondence School

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Page 1: some cxc Math mc questions .pdf

CXC Math Past Paper Type Questions

Math CXC/CSEC Past Paper Type Question Practice

: MATHEMATICS

Paper: 1

Date: 2013

Multiple Choice

INSTRUCTIONS TO CANDIDATES

Each question has four options: A, B, C & D

Clearly indicate your answers

Calculators must not be used

Β©

Caribbean Correspondence School

Page 2: some cxc Math mc questions .pdf

1. π‘‡β„Žπ‘’ π‘›π‘’π‘šπ‘π‘’π‘Ÿ 3.14063 π‘€π‘Ÿπ‘–π‘‘π‘‘π‘’π‘› π‘π‘œπ‘Ÿπ‘Ÿπ‘’π‘π‘‘ π‘‘π‘œ 3 π‘‘π‘’π‘π‘–π‘šπ‘Žπ‘™ π‘π‘™π‘Žπ‘π‘’ 𝑖𝑠 A) 3.140 B) 3.141 C) 3.146 D) 3.150

2. (βˆ’3)2 + (βˆ’2)2 = A) βˆ’13 B) βˆ’10 C) 13 D) 25

3. In scientific notation, 170.04 is written as A) 0.17004 π‘₯ 103 B) 1.7004 π‘₯ 102 C) 17.004 π‘₯ 101 D) 1.7004 π‘₯ 10βˆ’2

4. 0.386 Γ— 0.06 = A) 0.02316 B) 0.2316 C) 2.316 D) 23.16

5. π‘Šβ„Žπ‘Žπ‘‘ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘€β„Žπ‘’π‘› π‘Žπ‘‘π‘‘π‘’π‘‘ π‘‘π‘œ 1 1

3 𝑔𝑖𝑣𝑒𝑠 2 ?

A) 13

B) 23

C) 1 D) 3

6. π‘‡β„Žπ‘’ 𝐸𝑋𝐴𝐢𝑇 π‘£π‘Žπ‘™π‘’π‘’ π‘œπ‘“ 37.26Γ·1.8

1000 𝑖𝑠

A) 0.207 B) 0.0207 C) 20.7000 D) 20700

7. The H.C.F. of 12, 15 and 60 is A) 3 B) 5 C) 12 D) 60

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8. The number 301 can be written as A) 3 Γ— 103 + 1 Γ— 10 B) 3 Γ— 102 + 1 Γ— 10 C) 3 Γ— 103 + 1 D) 3 Γ— 102 + 1

9. 𝐼𝑓 3𝑛 𝑖𝑠 π‘Žπ‘› π‘œπ‘‘π‘‘ π‘›π‘’π‘šπ‘π‘’π‘Ÿ,π‘€β„Žπ‘–π‘β„Ž π‘œπ‘“ π‘‘β„Žπ‘’ π‘“π‘œπ‘™π‘™π‘œπ‘€π‘–π‘›π‘” 𝑖𝑠 π‘Žπ‘› 𝑒𝑣𝑒𝑛 π‘›π‘’π‘šπ‘π‘’π‘Ÿ?

A) 3𝑛 βˆ’ 1 B) 3𝑛 βˆ’ 2 C) 3𝑛 + 2 D) 3𝑛 + 2𝑛

10. 25 Γ— 130 𝑖𝑠 π‘‘β„Žπ‘’ π‘ π‘Žπ‘šπ‘’ π‘Žπ‘  A) (25 Γ— 100) + 30 B) (25 + 30) Γ— 100 C) (25 Γ— 30) + (25 Γ— 100) D) (100 Γ— 30) + (100 Γ— 25)

11. 𝐼𝑛 π‘Ž π‘π‘™π‘Žπ‘ π‘  π‘œπ‘“ 32 𝑠𝑑𝑒𝑑𝑒𝑛𝑑𝑠, 17 𝑠𝑑𝑒𝑑𝑦 𝑀𝑒𝑠𝑖𝑐 π‘Žπ‘›π‘‘ 20 𝑠𝑑𝑒𝑑𝑦 π΄π‘Ÿπ‘‘.π‘Šβ„Žπ‘Žπ‘‘ 𝑖𝑠 π‘‘β„Žπ‘’ 𝐿𝐸𝐴𝑆𝑇 π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑑𝑒𝑑𝑒𝑛𝑑𝑠 π‘€β„Žπ‘œ π‘Žπ‘Ÿπ‘’ 𝑠𝑑𝑒𝑑𝑦𝑖𝑛𝑔 𝐡𝑂𝑇𝐻 𝑀𝑒𝑠𝑖𝑐 π‘Žπ‘›π‘‘ π΄π‘Ÿπ‘‘?

A) 3 B) 5 C) 12 D) 15

12. 𝐼𝑓 𝑃 = {π‘Ž, 𝑏, 𝑐} π‘‘β„Žπ‘’π‘› π‘‘β„Žπ‘’ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑒𝑏𝑠𝑒𝑑𝑠 π‘œπ‘“ 𝑃 𝑖𝑠 A) 8 B) 6 C) 4 D) 3

13. 𝐼𝑓 𝑃 {πΉπ‘Žπ‘π‘‘π‘œπ‘Ÿπ‘  π‘œπ‘“ 6} π‘Žπ‘›π‘‘ 𝑄 {πΉπ‘Žπ‘π‘‘π‘œπ‘Ÿπ‘  π‘œπ‘“ 4}, π‘‘β„Žπ‘’π‘› π‘‘β„Žπ‘’ π‘ β„Žπ‘Žπ‘‘π‘’π‘‘ π‘Ÿπ‘’π‘”π‘–π‘œπ‘› π‘Ÿπ‘’π‘π‘Ÿπ‘’π‘ π‘’π‘›π‘‘π‘  A) { } B) {1,2} C) {4,6,8, . . . } D) {12,24,36, . . . . }

14. 𝐼𝑓 𝑇𝑇$6.00 𝑖𝑠 π‘’π‘žπ‘’π‘–π‘£π‘Žπ‘™π‘’π‘›π‘‘ π‘‘π‘œ π‘ˆπ‘†$1.00, π‘‘β„Žπ‘’π‘› 𝑇𝑇$15.00 𝑖𝑛 π‘ˆ. 𝑆.π‘‘π‘œπ‘™π‘™π‘Žπ‘Ÿπ‘  𝑖𝑠 A) $0.25 B) $0.40 C) $2.50 D) $4.00

15. 3 ΒΌ % π‘œπ‘“ $500 𝑖𝑠 A) $ 1.62 B) $15.52 C) $16.00 D) $16.25

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16. 𝐼𝑓 𝑝 𝑠𝑀𝑒𝑒𝑑𝑠 π‘π‘œπ‘ π‘‘ π‘ž 𝑐𝑒𝑛𝑑𝑠, π‘‘β„Žπ‘’π‘› π‘‘β„Žπ‘’ π‘π‘œπ‘ π‘‘ π‘œπ‘“ π‘œπ‘›π‘’ 𝑠𝑀𝑒𝑒𝑑 𝑖𝑠 A) π‘ž

𝑝 𝑐𝑒𝑛𝑑𝑠

B) π‘π‘ž 𝑐𝑒𝑛𝑑𝑠 C) 𝑝

π‘ž 𝑐𝑒𝑛𝑑𝑠

D) (π‘ž – 𝑝 ) 𝑐𝑒𝑛𝑑𝑠

17. 𝐴 π‘ π‘Žπ‘™π‘’π‘ π‘šπ‘Žπ‘› 𝑖𝑠 π‘π‘Žπ‘–π‘‘ 5% π‘œπ‘“ β„Žπ‘–π‘  π‘ π‘Žπ‘™π‘’π‘  π‘Žπ‘  π‘π‘œπ‘šπ‘šπ‘–π‘ π‘ π‘–π‘œπ‘›.𝐻𝑖𝑠 π‘ π‘Žπ‘™π‘’π‘  π‘“π‘œπ‘Ÿ π‘™π‘Žπ‘ π‘‘ π‘šπ‘œπ‘›π‘‘β„Ž π‘€π‘’π‘Ÿπ‘’ $2020.π»π‘œπ‘€ π‘šπ‘’π‘β„Ž π‘π‘œπ‘šπ‘šπ‘–π‘ π‘ π‘–π‘œπ‘› π‘€π‘Žπ‘  β„Žπ‘’ π‘π‘Žπ‘–π‘‘?

A) $11.00 B) $20.00 C) $101.00 D) $110.00

18. π»π‘œπ‘€ π‘šπ‘’π‘β„Ž π‘‘π‘œπ‘’π‘  π‘Ž π‘π‘’π‘ π‘‘π‘œπ‘šπ‘’π‘Ÿ π‘π‘Žπ‘¦ π‘“π‘œπ‘Ÿ π‘Žπ‘› π‘Žπ‘Ÿπ‘‘π‘–π‘π‘™π‘’ π‘šπ‘Žπ‘Ÿπ‘˜π‘’π‘‘ π‘Žπ‘‘ $50.00 𝑖𝑓 π‘ π‘Žπ‘™π‘’π‘  π‘‘π‘Žπ‘₯ π‘œπ‘“ 6% 𝑖𝑠 c

harged? A) $56.00 B) $53.00 C) $47.00 D) $44.00

19. 𝐴 π‘‘π‘Žπ‘π‘™π‘’ 𝑖𝑠 π‘ π‘œπ‘™π‘‘ π‘œπ‘› β„Žπ‘–π‘Ÿπ‘’ π‘π‘’π‘Ÿπ‘β„Žπ‘Žπ‘ π‘’.π‘‡β„Žπ‘’ π‘ π‘Žπ‘™π‘’ π‘π‘Ÿπ‘–π‘π‘’ π‘π‘œπ‘›π‘ π‘–π‘ π‘‘π‘  π‘œπ‘“ π‘Ž π‘‘π‘’π‘π‘œπ‘ π‘–π‘‘ π‘œπ‘“ $306 π‘Žπ‘›π‘‘ 𝑠𝑖π‘₯ mo

nthly instalments of $60 each. How much does a customer pay for the table? A) $360 B) $366 C) $666 D) $966

20. A loan of $8000 was repaid in 2 years in monthly payments of $400.00. The interest on the loan,

as a percentage, was A) 5% B) 8% C) 16% D) 20%

21. A man pays 60 cents for every 200 π‘š3 of gas used, plus a fixed charge of $13.75. How much

does he pay when he uses 55000π‘š3 of gas? A) $178.75 B) $175.25 C) $165.00 D) $151.25

22. π‘‡β„Žπ‘’ π‘šπ‘–π‘‘π‘‘π‘™π‘’ π‘‘π‘’π‘Ÿπ‘š 𝑖𝑛 π‘‘β„Žπ‘’ 𝑒π‘₯π‘π‘Ÿπ‘’π‘ π‘ π‘–π‘œπ‘› π‘œπ‘“ (π‘₯ + 3)(π‘₯ – 1) 𝑖𝑠 A) 2 B) 3 C) 2π‘₯ D) 4π‘₯

Page 5: some cxc Math mc questions .pdf

23. 5(π‘₯ + 𝑦) – 3(π‘₯ – 𝑦) = A) 2π‘₯ B) 2π‘₯ + 2𝑦 C) 2π‘₯ + 8𝑦 D) 8π‘₯ + 8𝑦

24. 4π‘₯

7𝑦 + 3π‘₯

5𝑦 π‘šπ‘Žπ‘¦ 𝑏𝑒 π‘€π‘Ÿπ‘–π‘‘π‘‘π‘’π‘› π‘Žπ‘ 

A) 41π‘₯

35𝑦

B) 41π‘₯

2

35𝑦

C) 41π‘₯𝑦

35𝑦

D) 20π‘₯ + 21𝑦

35𝑦

25. I𝑓 π‘Ž βˆ— 𝑏 = 𝑏/π‘Ž – 1, π‘‘β„Žπ‘’π‘› 7 βˆ— 28 = A) 3

4

B) ΒΌ C) 3 D) 4

26. 𝐺𝑖𝑣𝑒𝑛 2π‘₯ + 3 β‰₯ 9, π‘‘β„Žπ‘’ π‘Ÿπ‘Žπ‘›π‘”π‘’ π‘œπ‘“ π‘£π‘Žπ‘™π‘’π‘’π‘  π‘œπ‘“ π‘₯ 𝑖𝑠 A) π‘₯ > 6 B) π‘₯ β‰₯ 6 C) π‘₯ > 3 D) π‘₯ β‰₯ 3

27. I𝑓 π‘₯ = βˆ’2,𝑦 = 3, 𝑑 = 2, π‘‘β„Žπ‘’π‘› οΏ½π‘₯𝑦�𝑑

=

A) βˆ’49

B) 49

C) 4

3

D) 9

4

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28. When 6 is added to a number and the sum is divided by three, the result is four. This statement written in mathematical symbols is

A) 6+π‘₯

3= 4

B) 63

+ π‘₯ = 4

C) (6+π‘₯)3

= 43

D) 6 + π‘₯3

= 4

29. The values of π‘₯ and 𝑦 which satisfy the equations π‘₯ + 2𝑦 = 27 π‘Žπ‘›π‘‘ 2π‘₯ βˆ’ 𝑦 = 19 are respectively

A) 15 and 10 B) 10 and 15 C) 7 and 13 D) 13 and 7

30. The volume of a cube of edge 10cm is A) 30π‘π‘š3 B) 100π‘π‘š3 C) 300π‘π‘š3 D) 1000π‘π‘š3

31. 2500 millimetres expressed in metres is A) 0.25 B) 2.5 C) 25 D) 250

32. A boy leaves home at 09:15 hours and arrives at school at 10:05 hours. If he travels non- stop at

an average speed of 6 π‘˜π‘šβ„Žβˆ’1, what is the distance, in km, of his home from school? A) 2km B) 5km C) 6km D) 9km

33. The distance around the edge of a circular pond is 88m. The radius, in metres, is A) 176πœ‹ B) 88πœ‹ C) 88

πœ‹

D) 88

2πœ‹

Page 7: some cxc Math mc questions .pdf

34. A man leaves home at 22:15 hrs and reaches his destination in the same time zone at 04:00 hrs on the following day. How many hours did the journey take?

A) 5 B) 5 3

4

C) 6 D) 6 1

4

35. AOB is a sector of a circle such that angle 𝐴𝑂𝐡 = 60Β° and OB is r units long. The area of AOB

is A) 1

3πœ‹π‘Ÿ

B) 1

6πœ‹π‘Ÿ

C) 1

3πœ‹π‘Ÿ2

D) 1

6πœ‹π‘Ÿ2

36. The area of a triangle is 30 π‘π‘š2 π‘Žπ‘›π‘‘ 𝑖𝑑𝑠 π‘π‘Žπ‘ π‘’ 𝑖𝑠 10π‘π‘š2. What is the perpendicular height, in cm,

of the triangle? A) 6 B) 12 C) 13 D) 17

37. The median of the numbers: 1, 1, 5, 5, 6, 7, 7, 7, 8 is A) 5.4 B) 6 C) 6.5 D) 7

38. Six hundred students write an examination. The probability of a randomly selected student failing

the examination is 15

How many students are expected to pass A) 120 B) 480 C) 500 D) 600

Page 8: some cxc Math mc questions .pdf

39. The lengths of 30 cabbage leaves were measured, to the nearest cm, and the information grouped as shown in the table below. Length of Leaf (cm

10 – 14 15 -19 20 – 24 25 – 29

Frequency 3 8 12 7

The limits of the class intervals are

A) 3, 8, 12, 7 B) 5, 5, 5, 5 C) 9.5, 14.5, 19.5, 24.5, 29.5 D) 10, 14, 15, 19, 20, 24, 29

40. Each of the letters of the word, β€œ CHANCE” is written on a slip of paper similar in size and

shape. The slips of paper are then placed in a bag and thoroughly shaken. What is the probability of drawing a letter C?

A) 16

B) 1

5

C) 1

3

D) 2

3

41. Which of the following represents the equation of a straight line? A) 𝑦 = 2π‘₯ + 3 B) 𝑦 = 4

π‘₯

C) 𝑦 = π‘₯2 βˆ’ 4 D) 𝑦 = π‘₯2 + 2π‘₯ βˆ’ 5

42. What percentage of 340 is 425? A) 80% B) 85% C) 125% D) 152%

43. Ann and Betty shared a sum of money in the ratio 2 : 3 respectively. Ann received $120

What was Betty’s share? A) $ 72 B) $ 80 C) $ 180 D) $ 300

44. 11.1 Γ· 0.01 𝑖𝑠 π‘’π‘žπ‘’π‘Žπ‘™ π‘‘π‘œ A) 110 B) 111 C) 1100 D) 1110

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45. If 60% of a number is 90, what is the number? A) 30 B) 54 C) 150 D) 180

46. – οΏ½12οΏ½3 is the same as

A) βˆ’18

B) βˆ’16

C) 18

D) 16

47. What is the LEAST number of plums that can be shared equally among 6, 9, or 12 children? A) 27 B) 36 C) 54 D) 72

48. Which of the following sets is equivalent to {a, b, c, d} A) {4} B) {a, b, c} C) {p, q, r, s } D) {1, 2, 3, 4, 5 }

49. Which of the following sets defined by {π‘₯ ∈ 𝑍:βˆ’2 ≀ π‘₯ ≀ 4} ? A) {1, 2, 3, 4 } B) {0, 1, 2, 3, 4 } C) {-1, 0, 1, 2, 3 } D) {-2, -1, 0, 1, 2, 3, 4}

50. 3 1

4% of $ 500 is

A) $1.62 B) $15.52 C) $16.00 D) $16.25

51. During a sale, a shop allows 20% discount off the marked price of clothing. What will a

customer pay for a dress with a marked price of $30 A) $10 B) $20 C) $24 D) $30

Page 10: some cxc Math mc questions .pdf

52. A man bought a calf for $200 and sold it for $250. What was his gain as a percentage of the cost price?

A) 5% B) 15% C) 20% D) 25%

53. How much does a customer pay for an article marked at $50.00 before taxes, if a sales tax of 6%

is charge ? A) $56.00 B) $53.00 C) $47.00 D) $44.00

54. At the end of any year a car worth 5% less than what it was worth at the beginning of the year. If

a car was bought for $10000 in January 2009, its value in December 2009 was A) $9000 B) $9025 C) $9500 D) $9995

55. If the simple interest on $800 for 3 years is $54, what is the rate of interest per annum? A) 4

9%

B) 2 14

% C) 5% D) 44%

56. A man pays 60 cents for every 200π‘š3 of gas used, plus a fixed charge of $13.25. How much

does he pay when he uses 55000π‘š3 of gas? A) $178.25 B) $175.25 C) $165.00 D) $151.25

57. If $7000 is borrowed at the rate of 5% per annum for 3 years, the simple interest is A) $ 105 B) $ 210 C) $ 370 D) $ 1050

Page 11: some cxc Math mc questions .pdf

58. 45π‘₯

+ 25π‘₯

= A) 6

25π‘₯

B) 8

25π‘₯

C) 6

10π‘₯

D) 6

5π‘₯

59. (π‘₯ βˆ’ 2)(3π‘₯ + 4) = A) π‘₯2 βˆ’ 6π‘₯ βˆ’ 8 B) 3π‘₯2 βˆ’ 2π‘₯ βˆ’ 8 C) 3π‘₯2 + 10π‘₯ + 8 D) 3π‘₯2 βˆ’ 10π‘₯ + 8

60. If 5π‘₯ βˆ’ 26 = π‘₯ + 50, then the value of π‘₯ 𝑖𝑠 A) -12 B) 16 C) 6 D) 19

61. 3π‘₯2 Γ— 2π‘₯3 = A) 6π‘₯5 B) 6π‘₯6 C) 5π‘₯6 D) 72π‘₯5

62. 𝑝 = π‘š2

2βˆ’π‘š.π‘€β„Žπ‘’π‘› π‘š = 3, π‘‘β„Žπ‘’ π‘£π‘Žπ‘™π‘’π‘’ π‘œπ‘“ 𝑝 𝑖𝑠

A) 9 B) 9

5

C) βˆ’65

D) βˆ’6

63. John has π‘₯ marbles and Max has twice as many. Max gives John 5 of his marbles. How many marbles does Max now have?

A) π‘₯ + 5 B) π‘₯ βˆ’ 5 C) 2π‘₯ + 5 D) 2π‘₯ βˆ’ 5

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64. 𝑖𝑓 3 + 2π‘₯

= 1, π‘‘β„Žπ‘’π‘› π‘‘β„Žπ‘’ π‘£π‘Žπ‘™π‘’π‘’ π‘œπ‘“ π‘₯ 𝑖𝑠 A) -1 B) 1

5

C) 1 D) 5

65. How many kilograms are there in one tonne A) 10 B) 100 C) 1000 D) 10000

66. The area of a rectangle is 53.6π‘π‘š2. If the length is multiplied by four and the width is halved, the

area would then be A) 26.8π‘π‘š2 B) 53.6π‘π‘š2 C) 107.2π‘π‘š2 D) 214.4π‘π‘š2

Item 39 refers to the table below showing the frequency of scores obtained by students in a test.

Score 2 3 5 6 8 11

Students 8 4 6 3 12 2

67. The modal score is A) 8 B) 9 C) 10 D) 12

68. The perimeter of a square is 48cm. What is the area in π‘π‘š2 A) 36 B) 72 C) 108 D) 144

69. The mean of the following numbers is 15

14, 10, 18, c, 21, 15, 14 The value of c is

A) 13 B) 14 C) 20 D) 91

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70. A bag contains 2 red, 4 yellow and 6 blue balls. The probability of drawing a blue ball from the bag at random is

A) 16

B) 1

3

C) 1

2

D) 6

11

71. If 𝑓(π‘₯) = 2π‘₯2 βˆ’ 1, π‘‘β„Žπ‘’π‘› 𝑓(βˆ’3) = A) 32 B) -19 C) 17 D) 35

72. What is the gradient of the straight line 2𝑦 + 3π‘₯ = βˆ’8? A) -3 B) βˆ’3

2

C) 23

D) 3

73. Which of the following sets is represented by the relation 𝑓: π‘₯ β†’ π‘₯2 + 3 ? A) {(0, 3),(1, 4),(2, 7),(3, 12)} B) {(0, 3),(1, 5),(2, 7),(3, 9)} C) {(0, 3),(1, 4),(2, 5),(3, 16)} D) {(0, 3),(1, 1),(2, 4),(3, 9)}

74. Written in scientific notation, 0.045 Γ— 10βˆ’3 A) 4.5 Γ— 10βˆ’6 B) 4.5 Γ— 10βˆ’5 C) 4.5 Γ— 10βˆ’4 D) 4.5 Γ— 10βˆ’1

75. What percentage of 30 is 6? A) 5% B) 18% C) 20% D) 150%

76. What is the value of the digit 2 in the number 48.621? A) 2

100

B) 210

C) 2 D) 200

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77. The simple interest on $400 at 5% per annum for 2 years is A) $ 400Γ—5Γ—2

100

B) $ 400Γ—5

2Γ—100

C) $(400Γ—2)

5Γ—100

D) $ 400Γ—100

2Γ—5

78. During a sale, a shop allows 20% discount off the marked price of clothing. What will a customer

pay for a dress with a marked price of $30? A) $10 B) $20 C) $24 D) $30

79. In the Venn diagram, n(P) = 5, n(Q) =9 and 𝑛(𝑃 βˆͺ 𝑄) = 10. what is 𝑛(𝑃 ∩ 𝑄)? A) 4 B) 6 C) 14 D) 24

80. Tom bought a pen for $60 and sold it to gain 20% on his cost price. How much money

did he gain? A) $12 B) $40 C) $72 D) $80

81. Susan bought a calculator for $120. She had to pay a sales tax of 10% on the price. How much

change would she receive from $140? A) $8.00 B) $12.00 C) $28.00 D) $32.00

82. Marry invested $200 for 3 years at 5% per annum. John invested %300 at the same rate. If they

both received the same amount of money in interest, for how many years did John invest his money?

A) 1 12

B) 2 C) 3 D) 10

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83. A company employs 12 gardeners at $26 per day, and 8 clerks at $17 per day. What is the mean daily wage, in dollar, of the 20 employees?

A) $20.00 B) $21.50 C) $22.40 D) $31.50

84. If the simple interest on $800 for 3 years is $54, what is rate of interest per annum? A) 4

9%

B) 2 14

% C) 5% D) 44%

85. Given that π‘Ž βˆ† 𝑏 = 2π‘Ž βˆ’ 3𝑏 then 2 βˆ† (βˆ’3) = A) -7 B) -5 C) 3 D) 13

86. If 20π‘Ž βˆ’ 16 = 12(3 βˆ’ π‘Ž), π‘‘β„Žπ‘’π‘› π‘Ž = A) 5

8

B) 21

16

C) 13

8

D) 5

2

87. 2(π‘Ž2𝑏)3 = A) 2π‘Ž5𝑏3 B) 2π‘Ž6𝑏3 C) 6π‘Ž2𝑏 D) 8π‘Ž6𝑏3

88. For all of π‘Ž π‘Žπ‘›π‘‘ 𝑏, 3π‘Ž(π‘Ž + 2𝑏)βˆ’ 𝑏(2π‘Ž βˆ’ 3𝑏) = A) 3π‘Ž2 βˆ’ π‘Žπ‘ + 3𝑏2 B) 3π‘Ž2 + 4π‘Žπ‘ + 3𝑏2 C) 3π‘Ž2 + 4π‘Žπ‘ βˆ’ 3𝑏2 D) 3π‘Ž2 + 8π‘Žπ‘ βˆ’ 3𝑏2

89. Which of the following represent the statement β€œthe Difference of two square numbers is

positive”? A) π‘₯2 βˆ’ 𝑦2 > 0 B) 2π‘₯ βˆ’ 2𝑦 > 0 C) (𝑦 βˆ’ π‘₯)2 > 0 D) 2(𝑦 βˆ’ π‘₯) > 0

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90. On leaving Trinidad, the time on a pilots watch was 23:00hrs. When he arrived at his destination, in the same time zone, on the following day his watch showed 03:00hrs. How many hours did the flight take?

A) 4 B) 30 C) 26 D) 52

91. The circumference of a circle is 132cm. Given that πœ‹ = 22

7 , the radius of the circle in centimetres

, is A) 42 B) 21 C) √42 D) √21

92. The marks obtain by ten students in a test mark out of 25 were: 14, 22, 15, 19, 19, 16, 24, 13, 20, 19 The range of marks was A) 11 B) 13 C) 18 D) 19

93. If the mean of the four numbers 4, 8,π‘₯,π‘Žπ‘›π‘‘ 12 is 10 then π‘₯ 𝑖𝑠 A) 4 B) 10 C) 12 D) 16

94. If 𝑓(π‘₯) = π‘₯2 βˆ’ π‘₯ βˆ’ 1 , π‘‘β„Žπ‘’π‘› 𝑓(βˆ’5) = A) -31 B) 24 C) 29 D) 31

95. The range of 𝑓: π‘₯ β†’ π‘₯3 for the domain {-2, -1, 0, 1, 2} is A) {0, 1, 8} B) {-2, -1, 0, 1, 2} C) {-6, -3, 0, 3, 6} D) {-8, -1, 0, 1, 8}

96. A boat was travelling on a bearing of 270Β°. In what direction was it travelling ? A) West B) East C) North D) South

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97. The image of a point P(-2, 3) under a translation οΏ½34οΏ½ is

A) (-6, 12) B) (-5, -1) C) (5, 1) D) (1, 7)

A boy stands 12 metres from the foot of the building and observes the angle of elevation of the top of the building.

98. The height of the building is approximately A) 12π‘‘π‘Žπ‘›40Β° B) 1.6 + 12𝑠𝑖𝑛40Β° C) 1.6 + 12π‘π‘œπ‘ 40Β° D) 1.6 + 12π‘‘π‘Žπ‘›40Β°