The bar chart shows the frequency distribution of marks scored by students in a class test. Calculate the mean of the distribution.
- A. 6.0
- B. 3.0
- C. 2.4
- D. 1.8
The bar chart shows the frequency distribution of marks scored by students in a class test. How many students are in the class?
- A. 10
- B. 24
- C. 25
- D. 30
The position of three ships P,Q and R at sea are illustrated in the diagram. The arrows indicated the North direction. The bearing of Q from P is 050o and < PQR = 72o. Calculate the bearing of R and Q
- A. 155o
- B. 80o
- C. 158o
- D. 91o
Is the diagram, MN, PQ and RS are three intersecting straight lines. Which of the following statements is/are true? i. t = y ii. x + y + z + m = 180o iii. x + m + n = 180o iv. x + n = m + z
- A. i and iv
- B. ii
- C. iii
- D. iv
In the diagram, MQ//RS, < TUV = 70o and < RLV = 30o. Find the value of x
- A. 150o
- B. 110o
- C. 100o
- D. 95o
The diagram is a circle centre O. If < SPR = 2m and < SQR = n, express m in terms of n
- A. m = \(\frac{n}{2}\)
- B. m = 2n
- C. m = n - 2
- D. m = n + 2
In the diagram, O is a circle centre of the circle PQRS and < PSR = 86o. If < PQR = xo, find x
- A. 108o
- B. 172o
- C. 130o
- D. 50o
In the diagram, |QR| = 10m, |SR| = 8m
< QPS = 30o, < QRP = 90o and |PS| = x, Find x
- A. 1.32m
- B. 6.32m
- C. 9.32m
- D. 17.32
If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?
- A. y = kx
- B. y = \(\frac{k}{x}\)
- C. y = k\(\sqrt{x}\)
- D. y = x + k
If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?
- A. y = kx
- B. y = \(\frac{k}{x}\)
- C. y = k\(\sqrt{x}\)
- D. y = x + k
Factorise completely: 32x2y – 48x3y3
- A. 16x2y(2 - 3xy2)
- B. 8xy(4x - 6x2y2)
- C. 8x2y(4 - 6xy2)
- D. 16xy(2x - 3x2y2)
A side and a diagonal of a rhombus are 10cm and 12cm respectively, Find its area
- A. 20cm2
- B. 24cm2
- C. 48cm2
- D. 96cm2
The volume of a cuboid is 54cm3. If the length, width and height of the cuboid are in the ratio 2:1:1 respectively, find its total surface area
- A. 108cm2
- B. 90cm2
- C. 80cm2
- D. 72cm2
Find the coefficient of m in the expression of (\(\frac{m}{2} – 1 \frac{1}{2}\)) (m + \(\frac{2}{3}\))
- A. -\(\frac{1}{6}\)
- B. - \(\frac{1}{2}\)
- C. -1
- D. -1\(\frac{1}{6}\)
The sum of the interior angles of regular polygon is 1800o. How many sides has the polygon?
- A. 16
- B. 12
- C. 10
- D. 8
Solve (\(\frac{27}{125}\))-\(\frac{1}{3}\) x (\(\frac{4}{9}\))\(\frac{1}{2}\)
- A. \(\frac{10}{9}\)
- B. \(\frac{9}{10}\)
- C. \(\frac{2}{5}\)
- D. \(\frac{12}{125}\)
Alfred spent \(\frac{1}{4}\) of his money on food, \(\frac{1}{3}\) on clothing and save the rest. If he saved N72,20.00, how much did he spend on food?
- A. N43,200.00
- B. N43,000.00
- C. N42,200.00
- D. N40,000.00
If p = {prime factors of 210} and Q = {prime less than 10}, find p \(\cap\) Q
- A. {1,2, 3}
- B. {2, 3, 5}
- C. {1, 3, 5,7}
- D. {2,3,5,7}
Express 3 – [\(\frac{x – y}{y}\)] as a single fraction
- A. \(\frac{3xy}{y}\)
- B. \(\frac{x - 4y}{y}\)
- C. \(\frac{4y - x}{y}\)
- D. 3 - \(\frac{x - y}{y}\)
If x + 0.4y = 3 and y = \(\frac{1}{2}\)x, find the value of (x + y)
- A. 1\(\frac{1}{4}\)
- B. 2\(\frac{1}{2}\)
- C. 3\(\frac{3}{4}\)
- D. 5
Which of these statements about y = 8\(\sqrt{m}\) is correct?
- A. log y = log 8 x log \(\sqrt{m}\)
- B. log y = 3 log 2 x \(\frac{1}{2}\) log m
- C. log y = 3 log 2 - \(\frac{1}{2}\) log m
- D. log y = 3 log 2 + \(\frac{1}{2}\) log m