Mathematics Past Questions And Answers
Find x if the mean of 2x, 4x, 2x - 13 and 6x is 4.
- A. 1.5
- B. 2.0
- C. 1.0
- D. 0.5
Let U = {1, 2, 3, 4}, P = {2, 3} and Q = {2, 4}. What is (P∩Q)'?
- A. (1, 2, 3)
- B. (1, 3, 4)
- C. (2, 3)
- D. (1, 3)
Simplify 213\(_4\) x 23\(_4\)
- A. 103114
- B. 103214
- C. 122314
- D. 132114
The probabilities that Ade, Kujo and Fati will pass an examination are \(\frac{2}{3}, \frac{5}{8}\) and \(\frac{3}{4}\) respectively. Find the probability that
(a) the three ;
(b) none of them ;
(c) Ade and Kujo only ; will pass the examination.
View Discussion (0)WAEC 2002 THEORYA chord subtends an angle of 120o at the centre of a circle of radius 3.5cm. Find the perimeter of the minor sector containing the chord, [Take \(\pi = \frac{22}{7}\)]
- A. 14\(\frac{1}{3}\)cm
- B. 12\(\frac{5}{6}\)cm
- C. 8\(\frac{1}{7}\)cm
- D. 7\(\frac{1}{3}\)cm
\(\begin{array}{c|c}
Age(years) & 13 & 14 & 15 & 16 & 17 \\
\hline
Frequency & 10 & 24 & 8 & 5 & 3
\end{array}\)
Find the median age
- A. 13
- B. 14
- C. 15
- D. 16
The sum of two numbers is twice their difference. If the difference of the numbers is P, find the larger of the two numbers
- A. p/2
- B. 3p/2
- C. 5p/2
- D. 3p
Simplify 1 - (7/3 x 5/4) + 3/5
- A. -16/15
- B. -79/60
- C. -37/15
- D. -151/60
Solve \(9^{2x + 1} = 81^{3x + 2}\)
- A. \(\frac{-3}{4}\)
- B. \(\frac{-2}{3}\)
- C. \(\frac{4}{5}\)
- D. \(\frac{3}{2}\)
Find the distance between the point Q (4,3) and the point common to the lines 2x - y = 4 and x + y = 2
- A. 3√10
- B. 3√5
- C. √26
- D. √13