If the probability of an event occurring is x, what is the probability of the event not occurring?
- A. 1 - x
- B. x - 1
- C. 0
- D. \(\frac{1}{x}\)
The table above gives the distribution of the marks of a number of students in a test.
\(\begin{array}{c|c} Mark &1 & 2 & 3 & 4 & 5 & 6 \\ \hline Frequency & 5 & 3 & 6 & 4 & 2 & 5\end{array}\), find the mode of the distribution.
- A. 2
- B. 3
- C. 5
- D. 6
In a , < PQR = < PRQ = 45o. which of the following statements is/are correct? i. \(\bigtriangleup\)PQR is an equalateral triangle ii. \(\bigtriangleup\)PQR is an isosceles triangle iii. \(\bigtriangleup\)PQR is a right-angled triangle
- A. ii only
- B. i and ii only
- C. ii and iii only
- D. i and ii only
Each of the interior angle of a regular polygon is 162o. How many sides has the polygon?
- A. 8
- B. 12
- C. 16
- D. 20
Find the volume of a solid cylinder with base radius 10cm and height 14cm.
- A. 2203
- B. 880cm3>
- C. 1400cm3
- D. 4400cm3
A sector of a circle of radius 14cm containing an angle 60o is folded to form a cone. Calculate the radius of the base of the cone
- A. 5\(\frac{1}{2}cm\)
- B. 4\(\frac{2}{3}cm\)
- C. 3\(\frac{1}{2}cm\)
- D. 2\(\frac{1}{3}cm\)
The area of a square field is 110.25m2. Find the cost of fencing it round at N75.00 per metre
- A. N1,575.00
- B. N3,150.00
- C. N4,734.30
- D. N8,268.75
A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the centre of the circle.
- A. 2.5cm
- B. 3.0cm
- C. 3.5cm
- D. 4.0cm
If 8x-1 = \(\frac{1}{4}\), find x
- A. -\(\frac{-5}{3}\)
- B. -1
- C. -\(\frac{1}{3}\)
- D. \(\frac{1}{3}\)
Solve the simultaneous equations x + y = 2 and 3x – 2y = 1
- A. x = 2 and y = 1
- B. x = 1 and y = 1
- C. x = 1 and y = 2
- D. x = -1 and y = 1
If x = 3, Y = 2 and z = 4, what is the value of 3x2 – 2y + z?
- A. 17
- B. 27
- C. 35
- D. 71
For what value of x is the expression \(\frac{2x – 1}{x + 3}\) not defined?
- A. 3
- B. 2
- C. \(\frac{1}{2}\)
- D. -3
I am x years old and my brother is 3 years older. How old was my brother last year?
- A. (x - 4)years
- B. (x + 2) years
- C. (3x - 10years
- D. (3x + 1)years
N140,000 is shared between Abu, Kayode and Uche. Abu has twice as much as Kayode and Kayode has twice as much as Uche. What is Kayode’sshare?
- A. N80,000
- B. N40,000
- C. N2,000
- D. 10,000
Simplify \(\frac{3x^3}{(3x)^3}\)
- A. 1
- B. \(\frac{1}{3}\)
- C. \(\frac{1}{9}\)
- D. \(\frac{1}{27}\)
Which of the following statement is true for the ste P = {-3.2 \(\leq\) x < 5} where x is an integer?
- A. least value of x is -3.2
- B. least value of x is -3
- C. greatest value of x is 4.9
- D. greatest value of x is 5
Simplify 3\(\sqrt{45} – 12\sqrt{5} + 16\sqrt{20}\), leaving your answer in surd form.
- A. 29\(\sqrt{5}\)
- B. 14\(\sqrt{15}\)
- C. 12\(\sqrt{15}\)
- D. 11\(\sqrt{15}\)
If p \(\alpha \frac{I}{Q}\) which of the following is true?
- A. q \(\alpha p^2\)
- B. q \(\alpha \frac{1}{p^2}\)
- C. q \(\alpha \sqrt{p}\)
- D. q \(\alpha \frac{1}{p}\)
Simplify(0.3 x 105) \(\div\) (0.4 \(\times\) 107), leaving you answer in the standard form.
- A. 7.5 x 10-4
- B. 7.5 x 10-3
- C. 7.5 x 10-2
- D. 7.5 x 10-1
Find the LCM of 23 x 3 x 52, 2 x 32 x 5 and 23 x 33 x 5
- A. 22 x 33 x 52
- B. 23 x 33 x 5
- C. 22 x 32 x 52
- D. 23 x 33 x 52
Evaluate(111two)\(^2\) and leave your answer in base 2.
- A. 111001two
- B. 110001two
- C. 101001two
- D. 10010two