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Question 1 of 71
1. Question
Express the sum of 0.0714 and 0.0163 in two significant figures.
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Question 2 of 71
2. Question
Express the product of 0.0045 and 0.025 in standard form.
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Question 3 of 71
3. Question
An item was sold for M650.00 with a profit of 30%. If the profit had been 20%, what was the selling price?
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Question 4 of 71
4. Question
Find the compound interest on ₦225.00 invested for 20 years at 4% per annum.
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Question 5 of 71
5. Question
Fin n the sum of the first 12 terms of The sequence 18, 11,4, — 3, …
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Question 6 of 71
6. Question
The fifth term of a GP is 8 times the 2nd term. Find its common ratio.
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Question 7 of 71
7. Question
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Question 8 of 71
8. Question
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Question 9 of 71
9. Question
Convert 59ten to base two
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Question 10 of 71
10. Question
If ₦15,000.00 amounts to₦20,000.00 in two years at simple interest, what is the rate of interest?
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Question 11 of 71
11. Question
A poultry farmer discovered that 1/6 the eggs laid by the birds on the farm were bad. Find the percentage that was good
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Question 12 of 71
12. Question
Evaluate (0.008)1/3
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Question 13 of 71
13. Question
Find the value of x in the equation 4x = 32
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Question 14 of 71
14. Question
Solve the simultaneous equations
3x — y = 7 and 2x = 3-y
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Question 15 of 71
15. Question
A father is 5 times as old as his son. If the sum of their ages is 60years, how old is the father?
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Question 16 of 71
16. Question
Simplify 5/x-1 – 6/x-6
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Question 17 of 71
17. Question
What is the common factor of the expressions y2 + y and y2 – 1
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Question 18 of 71
18. Question
Solve the equation 2x2 = 3x + 5
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Question 19 of 71
19. Question
Factorise 5xy + 90qy -30y2 – 15xq.
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Question 20 of 71
20. Question
Given that a2 – b2 = 18 and a – b = 9. What is (a + b)?
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Question 21 of 71
21. Question
An expression is given as a/x + b/y = a/y
Make a the subject of the formula
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Question 22 of 71
22. Question
The number line below represents
-3 -2 -1 0 1 2 3 4 5
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Question 23 of 71
23. Question
Construct a quadratic equation whose roots are 1/2 and 2/3
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Question 24 of 71
24. Question
If 3(4- y) > 6 – y, which of the following is true?
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Question 25 of 71
25. Question
If a =1, b = 2 and d=3
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Question 26 of 71
26. Question
Which of the following quadratic equations is represented by the graph below
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Question 27 of 71
27. Question
Given that y = x2 – 2, find the value of a + b in the table below.
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Question 28 of 71
28. Question
Expand (a + b) (5a + b).
5a2 + 6ab + b2
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Question 29 of 71
29. Question
Which of these is NOT a property of a parallelogram?
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Question 30 of 71
30. Question
Calculate, correct to 2 decimal places,
the area of a triangle whose sides are 5cm, 6cm, and 7cm.
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Question 31 of 71
31. Question
Calculate the length of the major arc ACB, correct to 2 decimal places.
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Question 32 of 71
32. Question
Calculate the perimeter of a sector of a circle of radius 15cm, where the angle of the sector is 60° ( Take Π = 22/7)
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Question 33 of 71
33. Question
An aircraft flew from city A (Lat 0°, Long 0° to another city B (Lat 0°, i ^ong 18°E) at an average speed of l000km/hr. Calculate the distance travelled to the nearest km. (Take ᴨ=22/7 and R=6370km)
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Question 34 of 71
34. Question
A right circular cylinder of base radius 8cm has a height of 14cm.
Find the volume of the cylinder.
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Question 35 of 71
35. Question
In the diagram below, O is the centre of the circle. Find the value of x + y.
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Question 36 of 71
36. Question
Which of the following is correct about the figure shown below?
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Question 37 of 71
37. Question
In the diagram below, O is the centre of the circle. If /AN/ is a tangent at M and ZAMQ 64°. Calculate the value of angle P
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Question 38 of 71
38. Question
If XOY is a straight line, find the value of x
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Question 39 of 71
39. Question
How many sides has a regular polygon if each of the interior angles is 120°?
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Question 40 of 71
40. Question
In the diagram below, what is the value of ZABC ?
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Question 41 of 71
41. Question
In the figure below, what is the value of P?
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Question 42 of 71
42. Question
Calculate the area of an equilateral triangle of side t cm, leaving your answer in surd form.
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Question 43 of 71
43. Question
O is the centre of the above circle and AXB is a chord. Find /OX/.
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Question 44 of 71
44. Question
Given that sina 8/17, 0 ≤ a ≤ 90°, find the value Of cosα
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Question 45 of 71
45. Question
If sin 3x=cos 2x and0o <x<90o find x.
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Question 46 of 71
46. Question
Solve the equation, tan (ß-26°)= 1 .732
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Question 47 of 71
47. Question
96° In the diagram above, determine the area of the parallelogram.
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Question 48 of 71
48. Question
A town Q is 120km from a town B in the direction 050°. What is the bearing of B from Q?
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Question 49 of 71
49. Question
PQR is a right-angled triangle in which PQR= 30°, /RQ/ =6cm. find the value of x in surd form
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Question 50 of 71
50. Question
Weight of the boxers (kg)
The bar chart above shows the distribution of boxers’ weight in a row for boxing competition. Use the chart to answer the question below.
How many boxers have weight f 65kg and below?
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Question 51 of 71
51. Question
Weight of the boxers (kg)
The bar chart above shows the distribution of boxers’ weight in a row for boxing competition. Use the chart to answer the question below.
How many boxers registered for the competition?
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Question 52 of 71
52. Question
Weight of the boxers (kg)
The bar chart above shows the distribution of boxers’ weight in a row for boxing competition. Use the chart to answer the question below.
If a boxer is chosen at random, what is the probability that his weight is less than or equal to 60 kg?
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Question 53 of 71
53. Question
A father was to share to his children {412,000,000.00} and demonstrated the sharing on a pie chart. If the sectorial angle of his only son is 60°, how much did the son take?
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Question 54 of 71
54. Question
The average age of 10 boys was 12 years. A boy of 15years was replaced with that of 5 years. Find the new average age of the boys.
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Question 55 of 71
55. Question
Given the following scores.2,3, 4, 5, 6. Use the information to answer the question below
Find the standard deviation.
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Question 56 of 71
56. Question
Given the following scores.2,3, 4, 5, 6. Use the information to answer the question below
Find the variance.
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Question 57 of 71
57. Question
The probabilities that Musa passes English, Mathematics and Geography are
1/3 , 2/5 ,and 3/4 respectively. What is the probability of passing all?
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Question 58 of 71
58. Question
In a bag containing 12 oranges and 18 apples, what is the probability of not picking apple?
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Question 59 of 71
59. Question
The table below shows the scores of a certain number of students in a class.
Find the mean score.
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Question 60 of 71
60. Question
Calculate the median for the following set of numbers 3, 2, 6, 8, 9, 6,8, 12, 11, 12.
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Question 61 of 71
61. Question
SECTION A
Answer All questions in this section
(a) Given that log (y – 2)3 = log 64, without using mathematical tables, find y.
(b) If μ ={x: The solution set of the inequalities 2x – 3 ≤27 and 2x – 1≤ 2 + 3x}.
P is a subset of μ such that P = {Prime numbers}
List the elements in:
(i) μ
(ii) P
8 marks
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 62 of 71
62. Question
. Among 40 applicants for a sales manager’s post, 26 have B.Sc. degree and 18 have NCE, 6 applicants have no certificate. Use a Venn diagram to illustrate the information. How many applicants have:
(i) both B.Sc. and NCE;
(ii) B.Sc. only;
(i) NCE only?
8 marks
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 63 of 71
63. Question
(a) A fair die is rolled twice. Find the probability of getting:
(i) the same number;
(ii) at least a total of 7.
(b) Use the idea of difference of two squares to find the exact value of k in the equation:
24k = 1062 – 942
8 marks
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Question 64 of 71
64. Question
. (a) Simplify 2 ÷ of 4
(b) The base diameter of a cone is 18cm and height is 24cm. Find the volume and the curved surface area of the cone. (Correct to 2 decimal places).
8 marks
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Question 65 of 71
65. Question
(a) Find the sum of the first 9 terms of the A.P: – 24, -18, -12, …
(b) A dealer sells an article for N560.00 and makes a profit of 12%. Find the percentage of the profit he will realise, if he sells the article for N600.00.
8 marks
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Question 66 of 71
66. Question
SECTION B
Answer any FIVE questions from this section
(6) (a) A ship moved from point A to point B 12km away on a bearing of 120°. It then moved westwards to another point C whose bearing from A is 250°.
(i) Calculate the distance /AC/.
(ii) Flow far west of A is C?
(b) If 2 + x < 6 and 7 + x ≥ 4, what is the range of x satisfying both inequalities?
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Question 67 of 71
67. Question
(a) A civil servant obtained a loan of N350,000.00. He is expected to pay back the
loan over 4 years with a simple interest at a rate of 5% per annum.
(i) Calculate the simple interest on the loan.
(ii) How much did he pay back?
(iii) If this amount is paid back in monthly instalments, how much did he pay back each month?
(b) The interior angle of a regular polygon is four times the exterior angle. Calculate the:
(i) exterior angle;
(ii) number of sides of the polygon.
12 marks
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -
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Question 68 of 71
68. Question
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Question 69 of 71
69. Question
(a) When the numerator and denominator of a fraction are increased by 1 and 3 respectively the fraction is 1/2 . The denominator of this fraction is 4 greater than its numerator. Find the fraction.
(b) Find the value of 5(x-y) if 4x2 -9y2 = 7 and 2x + 3y = 7.
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Question 70 of 71
70. Question
The distribution below shows the number of cars attended to by a filling station in 40 days.
65 70 49 64 67 41 52 37 56 63
49 62 64 62 53 71 54 32 51 66
46 51 55 63 68 63 74 45 67 26
11 80 47 33 52 41 18 57 72 91
Using a class interval of 11 – 20, 21 – 30, 31 – 40, …
(a) Construct a group frequency table of the distribution.
(b) i. Using an assumed mean of 55.5, calculate correct to the nearest whole
number, the mean of the distribution,
ii. Find the mean deviation.
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Question 71 of 71
71. Question
. (a) The resistance R to the motion of a car is partly constant and partly varies as the square of the speed V. At 8Okmhr-1, the resistance is 1060N and at 120kmhr-1, its resistance is 1460N. What will be the resistance at 140kmhr-1?
In the diagram above, O is the centre of the circle PQR, what are the values of a, b and c?
12 marks
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This response will be reviewed and graded after submission.
Grading can be reviewed and adjusted.Grading can be reviewed and adjusted. -