Mathematics Past Questions And Answers
How many 250g packets of sweets can be made from a 2Kg bag of sweet?
- a. 12
- b. 32.5
- c. 6
- d. 8
(a) Copy and complete the table of values for the relation \(y = 2 \sin x + 1\)
| x | 0° | 30° | 60° | 90° | 120° | 150° | 180° | 210° | 240° | 270° |
| y | 1.0 | 2.7 | 0.0 | -0.7 |
(b) Using scales of 2 cm to 30° on the x- axis and 2 cm to 1 unit on the y- axis, draw the graph of \(y = 2 \sin x + 1, 0° \leq x \leq 270°\).
(c) Use the graph to find the values of x for which \(\sin x = \frac{1}{4}\).
(a) Copy and complete the table of values for the relation \(y = 2 \sin x + 1\)
| x | 0° | 30° | 60° | 90° | 120° | 150° | 180° | 210° | 240° | 270° |
| y | 1.0 | 2.7 | 0.0 | -0.7 |
(b) Using scales of 2 cm to 30° on the x- axis and 2 cm to 1 unit on the y- axis, draw the graph of \(y = 2 \sin x + 1, 0° \leq x \leq 270°\).
(c) Use the graph to find the values of x for which \(\sin x = \frac{1}{4}\).
View Discussion (0)WAEC 2014 THEORYExpress the product of 0.0014 and 0.011 in standard form
- A. 1.54 x 10-2
- B. 1.54 x 10-3
- C. 1.54 x 10-4
- D. 1.54 x 10-5
In a class there are 50 pupils, if 15 of them are girls, what percentage are boys?
- A. 70%
- B. 30%
- C. 85%
- D. 15%
When \(f(x) = 2x^{3} + mx^{2} + nx + 11\) is divided by \(x^{2} + 5x + 1\), the quotient is \(2x - 5\) and the remainder is \(30x + 16\). Find the values of m and n.
View Discussion (0)WAEC 2016 THEORYA 3 bedroom flat in Abuja costs 1 million naira per annum. The same flat in Ilorin, the Kwara State capital will cost
- A. Much less than 1 million naira
- B. exactly the same amount
- C. 0.5 million naira
- D. about 700 thousand naira.
What is the product of 108 and 112 is divided by 24?
- a. 504
- b. 555
- c. 220
- d. 55
I am 10 years old my sister is 4, in how many years shall I be twice as old as she will be?
- A. 3
- B. 4
- C. 2
- D. 5
(a) Using ruler and a pair of compasses only, construct :
(i) a quadrilateral PQRS such that /PQ/ = 7 cm, < QPS = 60°, /PS/ = 6.5 cm, < PQR = 135° and /QS/ = /QR/ ;
(ii) locus, \(l_{1}\) of points equidistant from P and Q ;
(iii) locus, \(l_{2}\) of points equidistant from P and S.
(b)(i) Label the point T where \(l_{1}\) and \(l_{2}\) intersect. (ii) With center T and radius /TP/, construct a circle \(l_{3}\).
View Discussion (0)WAEC 2008 THEORY| Item | food & drinks | fuel | rent | building project | education | savings |
| Percentage% | 35 | 7.5 | 1.0 | 15 | 17.5 | x |
The table shows the monthly expenditure (in percentages) of Mr. Okafor's salary.
(a) Calculate the percentage of Mr. Okafor's salary that was. put into salary.
(b) Illustrate the information on a pie chart.
(c) If Mr. Okafor's annual gross salary is $28,800.00 and he pays tax of 12%.
Calculate: (i) his monthly tax; (ii) amount saved each month.
View Discussion (0)WAEC 2022 THEORY

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