Mathematics Past Questions And Answers
(a) Evaluate, without using mathematical tables, \(17.57^{2} - 12.43^{2}\).
(b) Prove that angles in the same segment of a circle are equal.
View Discussion (0)WAEC 1994 THEORY
If the binomial expansion of (1 + 3x)\(^6\) is used to evaluate (0.97)\(^6\), find the value of x.
- A. 0.03
- B. 0.01
- C. - 0.01
- D. - 0.03
Find the inequality which represents the shaded portion in the diagram
- A. 2x - y - 2 ≥ 0
- B. 2x - y - 2 ≤ 0
- C. 2x - y - 2< 0
- D. 2x - y - 2 > 0
If 10% of a umber is subtracted from it, result is 1800. The number is
- (a) 1900
- (b) 2000
- (c) 2100
- (d) 2140
Find the median of 2,3,7,3,4,5,8,9,9,4,5,3,4,2,4 and 5
- A. 9
- B. 8
- C. 7
- D. 4
Correct 241.34(3 x 10-3)2 to 4 significant figures
- A. 0.0014
- B. 0.001448
- C. 0.0022
- D. 0.002172
Below are the scores of a group of students in a test
\(\begin{array}{c|c} Scores & 1 & 2 & 3 & 4 & 5 & 6 \\ \hline \text{No. of students} & 1 & 4 & 5 & 6 & x & 2\end{array}\)
If the average scores is 3.5, find the value of x
- A. 1
- B. 2
- C. 3
- D. 4
A uniform plank PQ of length 8m and mass 10kg is supported horizontally at the end P and at point R, 3 metres from Q. A boy of mass 20 kg walks along the plank starting from P. If the plank is in equilibrium, calculate the
(a) reactions at P and R when he walked 1.5 metres;
(b) distance he had walked when the two reactions are equal;
(c) distance he walked before the plank tips over.
View Discussion (0)WAEC 2010 THEORY(9).jpg)
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If the mean of 2, 5, (x + 1), (x + 2), 7 and 9 is 6, find the median.
- A. 6.5
- B. 6.0
- C. 5.5
- D. 5.0
How many sides has a regular polygon whose interior angle is 135°?
- A. 12
- B. 10
- C. 9
- D. 8