Evaluate \(\int\limits_0^\frac{\pi}{2}\) sin xdx
- A. 2
- B. -1
- C. 1
- D. -2
An arc subtends an angle of 30º at the centre of a circle radius 12cm. Calculate the length of the arc.
- A. 6\(\pi\)cm
- B. 2\(\pi\)cm
- C. 3\(\pi\)cm
- D. 9\(\pi\)cm
Evaluate \(\frac{0.8 \times 0.43 \times 0.031}{0.05 \times 0.72 \times 0.021}\). Correct to four significant figures.
- A. 14.09
- B. 14.1
- C. 14.12
- D. 14.11
Find \(\frac{dy}{dx}\), if y = \(\frac{2}{3}\) x\(^3\) – \(\frac{4}{x}\)
- A. 3x2 - \(\frac{4}{x}\)
- B. 2x2 +\(\frac{4}{x^2}\)
- C. 3x2 + \(\frac{4}{x^2}\)
- D. 2x2 - \(\frac{4}{x}\)
\(\begin{array}{c|c}
Scores & 3 & 6 & 5 & 2 \\
\hline
Frequency & 2 & 3 & 4 & 6
\end{array}\)
From the table above, find the median
- A. 3
- B. 5
- C. 4
- D. 6
Evaluate \(\frac{27^\frac{1}{3} – 8^\frac{2}{3}}{16^\frac{2}{4} \times 2}\)
- A. \(\frac{23}{5}\)
- B. -\(\frac{23}{5}\)
- C. -\(\frac{1}{8}\)
- D. \(\frac{21}{7}\)
Calculate the perimeter of a sector of a circle of raduis 9cm and angle 36o.
- A. 18cm
- B. (18 + \(\frac{9\pi}{5}\))cm
- C. (9 + \(\frac{9\pi}{5}\))cm
- D. \(\frac{9\pi}{5}\)cm
A number of pencils were shared out among Bisi, Sola and Tunde in the ratio of 2:3:5 respectively. If Bisi got 5, how many were shared out?
- A. 15
- B. 25
- C. 30
- D. 50
Simplify \(\frac{0.026 \times 0.36}{0.69}\). Leave your answer in standard form
- A. 1.36 x 10-4
- B. 1.36 x 10-3
- C. 1.36 x 10-1
- D. 1.36 x 10-2
Given U = {x: x is a positive integer less than 15} and P = {x: x is even number from 1 to 14}. Find the compliment of P.
- A. {1, 3, 5, 7, 9, 11, 13, 15}
- B. {2, 3, 5, 7, 9, 11, 13}
- C. {1, 3, 5, 7, 9, 11, 13}
- D. {2, 3, 5, 7, 11, 15}
\(\begin{array}{c|c}
Marks & 2 & 3 & 4 \\
\hline
Frequency & 4 & 4 & y
\end{array}\)
The table above shows the frequency distribution of marks obtained by a group of students. If the total mark is 48, find the value of y.
- A. 6
- B. 8
- C. 7
- D. 5
Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60o.
- A. (12 + 4\(\pi\))cm
- B. (24 + 4\(\pi\))cm
- C. (12 + 6\(\pi\))cm
- D. (24 + 6\(\pi\))cm
Factorize k2 – 2kp + p2.
- A. (k +p)2
- B. (k - p)2
- C. k2 + p2
- D. k2 - p2
The bar chart above shows the number of visitors received in a week. How many visitors were received on Friday, Tuesday and Sunday?
- A. 17
- B. 22
- C. 20
- D. 16
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
The pie chart above shows the distribution of subjects offered by students in SSS III level. If 80 students enrolled in the class. What is the size of the angle of the sector in economics?
- A. 24o
- B. 39o
- C. 32o
- D. 36o
Evaluate \(\int\)(cos4x + sin3x)dx
- A. sin4x - cos3x + k
- B. sin4x + cos3x + k
- C. \(\frac{1}{4}\)sin4x - \(\frac{1}{3}\)cos3x + k
- D. \(\frac{1}{4}\)sin4x + \(\frac{1}{3}\)cos3x + k
If line p = 5x + 3 is parallel to line p = wx + 5. Find the value of w.
- A. 7
- B. 3
- C. 6
- D. 5
The venn diagram shows a class of 50 students with the games they play. How many students play only two games?
- A. 15
- B. 16
- C. 20
- D. 18
From the diagram above, Find the value of < ROP
- A. 110o
- B. 70o
- C. 95o
- D. 85o