Mathematics Past Questions And Answers
Calculate the range of 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, and 1.
- A. 32
- B. 36
- C. 33
- D. 40
If two triangles are similar, which of the following is true? Their
- A. corresponding sides are equal
- B. corresponding angles are equal
- C. corresponding altitudes are equal
- D. areas are equal
A surveyor walks 500m up a hill which slopes at an angle of 30°. Calculate the vertical height through which he rises
- A. 252m
- B. 500m
- C. 250m
- D. 255m
If a car runs at a constant speed and takes 4.5 hrs to run a distance of 225 km, what time it will take to run 150 km?
- A. 2 hrs
- B. 4 hrs
- C. 3 hrs
- D. 1 hr
(a) Find the range of value of p for which 4x\(^2\) - px + 1 = 0
(b)(i) Expand (1 + 3x)\(^6\) in ascending powers of x
(ii) Using the expression in 10
(ii) find, correct to four significant figures, the value of (1.03)\(^6\)
View Discussion (0)WAEC 2019 THEORYFind the coefficient of the term in the binomial expansion of [2x + \(\frac{3y}{4}\)]\(^3\) in descending powers of x.
- A. \(\frac{27}{64}\)y\(^2\)
- B. \(\frac{27}{8}\)y\(^2\)
- C. 8y\(^2\)
- D. 9y\(^2\)
Let = \(\begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}\) p = \(\begin{pmatrix} 2 & 3 \\ 4 & 5 \end{pmatrix}\) Q = \(\begin{pmatrix} u & 4+u \\ -2v & v \end{pmatrix}\) be 2 x 2 matrices such that PQ = 1. Find (u, v)
- A. (-\(\frac{5}{2}\) - 1)
- B. (-\(\frac{5}{2}\) - \(\frac{3}{2}\))
- C. (-\(\frac{5}{6}\) - 1)
- D. (\(\frac{5}{2}\) - \(\frac{3}{2}\))
Find the area of an equivalent triangle of side 16cm
- A. 64√3cm2
- B. 72√3cm2
- C. 96cm2
- D. 128√3cm2
In the diagram, |QR| = 5cm, PQR = 60o and PSR = 45o. Find |PS|, leaving your answer in surd form.
- A. 4\(\sqrt{5}\)cm
- B. 3\(\sqrt{7}\)cm
- C. 4\(\sqrt{6}\)cm
- D. 5\(\sqrt{6}\)cm
Two fair dice are tossed together once.
(a) Draw a sample space for the possible outcomes ;
(b) Find the probability of getting a total : (i) of 7 or 8 ; (ii) less than 4.
View Discussion (0)WAEC 2006 THEORY