Mathematics Past Questions And Answers
How many times do the hands of a clock overlap in 24 hours?
- A. 22
- B. 24
- C. 20
- D. 48
The angle of a sector of a circle is 0.9 radians. If the radius of the circle is 4cm, find the length of the arc of the sector.
- A. 3.6 cm
- B. 7.6 cm
- C. 8.0 cm
- D. 11.6 cm
Evaluate \(\int\)(cos4x + sin3x)dx
- A. sin4x - cos3x + k
- B. sin4x + cos3x + k
- C. 1/4sin4x - 1/3cos3x + k
- D. 1/4sin4x + 1/3cos3x + k
In Δ LMN, |LM| = 6cm, ∠LNM = x and sin x = sin x = \(\frac{3}{5}\).
Find the area of Δ LMN
- A. 60cm\(^2\)
- B. 48cm\(^2\)
- C. 24cm\(^2\)
- D. 30cm\(^2\)
A stick of length 1.75m was measured by a boy as 1.80m. Find the percentage error in his measurement
- A. 27/9%
- B. 26/7%
- C. 5%
- D. 277/9%
Express 0.00562 in standard form
- A. 5.62 x 10−3
- B. 5.62 x 10−2
- C. 562 x 10−2
- D. 5.62 x 102
Study the given histogram below and answer the question that follows.
What is the total number of students that scored at most 50 marks?

- A. 380
- B. 340
- C. 360
- D. 240
A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.
- A. 52cm
- B. 43cm
- C. 40cm
- D. 15cm
(a) A number is selected at random from each of the sets {2, 3, 4} and {1, 3, 5}. What is the probability that the sum of the two numbers will be less than 7 but greater than 3?
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In the diagram, ABCD is a circle. DAE, CBE, ABF and DCF are straight lines. If y + m = 90°, find the value of x.
View Discussion (0)WAEC 1998 THEORYGiven that \(\overrightarrow{AB} = 5i + 3j\) and \(\overrightarrow{AC} = 2i + 5j\), find \(\overrightarrow{BC}\).
- A. -7i - 8j
- B. -3i + 2j
- C. 3i - 2j
- D. 3i + 8j

