Mathematics Past Questions And Answers
If P = \({n^{2} + 1: n = 0,2,3}\) and Q = \({n + 1: n = 2,3,5}\), find P\(\cap\) Q.
- A. {5, 10}
- B. {4, 6}
- C. {1, 3}
- D. { }
The table shows the scores of 2000 candidates in an entrance examination into a private secondary school.
| % Mark | 11-20 | 21-30 | 31-40 | 41-50 | 51-60 | 61-70 | 71-80 | 81-90 |
No of pupils | 68 | 184 | 294 | 402 | 480 | 310 | 164 | 98 |
(a) Prepare a cumulative frequency table and draw the cumulative frequency curve for the distribution.
(b) Use your curve to estimate the : (i) cut off mark, if 300 candidates are to be offered admission ; (ii) probability that a candidate picked at random, scored at least 45%.
View Discussion (0)WAEC 1995 THEORY
Simplify: \(\sqrt{108} + \sqrt{125} - \sqrt{75}\)
<- A. \(\sqrt{3} + 5\sqrt{5}\)
- B. \(6 \sqrt{3} - 5 \sqrt{5}\)
- C. \(6 \sqrt{3} + \sqrt{2}\)
- D. \(6\sqrt{3} - \sqrt{2}\)
The pie chart shows the distribution of courses offered by students. What percentage of the students offer English?
- A. 30%
- B. 25%
- C. 35%
- D. 20%
Evaluate \(\int_0^{\frac{\pi}{2}}sin2xdx\)
- A. 1
- B. zero
- C. -1/2
- D. -1
Simply \(\frac{2\frac{2}{3} \times 1\frac{1}{2}}{4\frac{4}{5}}\)
- A. \(1\frac{1}{4}\)
- B. \(1\frac{1}{6}\)
- C. \(\frac{5}{6}\)
- D. \(\frac{4}{5}\)
Each of the interior angle of a regular polygon is 162°. How many sides has the polygon?
- A. 8
- B. 12
- C. 16
- D. 20
Let b be a positive integer. Find the median of the set. b,3b,5b,7b,9b,11b,13b,15b
- A. 9b
- B. 11b
- C. 10b
- D. 8b
The annual salary of Mr. Johnson Mohammed for 1989 was N12,000.00. He spent this on agriculture projects, education of his children, food items, saving , maintenance and miscellaneous items as shown in the pie chart
How much did he spend on food items?
- A. N9,700.00
- B. N6,700.00
- C. N2,000.00
- D. N2,300.00
(a) If \(^{k}P_{2} = 72\), find the value of k.
(b) Solve the equation : \(2\cos^{2} \theta - 5\cos \theta = 3; 0° \leq \theta \leq 360°\)
View Discussion (0)WAEC 2016 THEORY