PAST QUESTIONS 2005


Section A

Time yourself to improve on your speed. You are to use not more than 60 minutes for this section.

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Section B

Try the questions first, using not more than 15 minutes for each question, and watch the accompanying videos to see how the questions are solved.






Question 1


  1. A boy has enough money to buy 14 pencils at ₵450.00 each. How many erasers costing ₵300.00 each can he buy with the same amount of money?

  2. Solution








  3. A circle has a circumference of 44 cm. Calculate its radius if \(\pi = \frac{22}{7}\)

  4. Solution

    Circumference \(= 44\) cm

    \(\pi = \frac{22}{7}\)

    Circumference of a circle \(= 2\pi r\)

    Substituting the given values:

    \(\Rightarrow 44 = 2 \times \frac{22}{7} \times r\)

    \(\Rightarrow 44 = \frac{44}{7} \times r\)

    \(\Rightarrow 44 \times 7 = \frac{44}{7} r \times 7\)

    \(\Rightarrow 44 \times 7 = 44 r\)

    Dividing both sides by the coefficient

    \(\Rightarrow \frac{44 \times 7}{44} = \frac{44 r}{44}\)

    \(\Rightarrow r = 7 \)

    \(\therefore \) the radius is 7 cm.








  5. Simplify \((2\frac{1}{4} - 1\frac{5}{8}) \div 3\frac{7}{16}\)

  6. Solution








  7. If \(\frac{5(n + 6)}{n} = 1\), find \(n\)

  8. Solution













Question 2


  1. Copy and complete the table below for the relation; \(x + y = 180\)

    The table as indicated above.
  2. \((i)\) Using a scale of 2 cm to 20 units on both axes, draw two perpendicular axes \(Ox\) and \(Oy\).

    \((ii)\) Mark both axes from 0 to 180.

    \((iii)\) Plot all the seven points. Use a ruler to join the points.

  3. Using your graph, find

    \((i)\) \(y\) when \(x = 100\);

    \((ii)\) \(x\) when \(y = 70\).

  4. Solution













Question 3


  1. There are 30 boys in a sporting club. 20 of them play hockey and 15 play volleyball. Each boy plays at least one of the two games.

    \((i)\) Illustrate the information on a Venn diagram.

    \((ii)\) How many boys play volleyball only?

  2. Solution








  3. Factorise \(xy + 3x + 6y + 18\)

  4. Solution








  5. Multiply \((3 + x)\) by \((5 - 2x)\)

  6. Solution













Question 4


    A woman borrowed ₵2,000,000.00 from a bank at a rate of 15% per annum simple interest for 2 years.

  1. Find

    \((i)\) the interest for the 2 years;

    \((ii)\) how much she paid in all to the bank after the 2 years.

  2. She used the ₵2,000,000.00 to purchase a fridge and sold it at a profit of 45%. Find the selling price of the fridge.

  3. If she used the amount raised from the sale of the fridge to pay for the bank loan and interest, find how much money is left.


  4. Solution













Question 5


  1. Using a pair of compasses and a ruler only, construct

    \((i)\) triangle \(ABC\) with \(|AB| = 10\) cm, angle \(ABC = 30^\circ\) and angle \(CAB = 60^\circ\);

    \((ii)\) a perpendicular from the point C to meet the line \(AB\) at \(P\).

  2. \((i)\) Extend line \(CP\) to the point \(D\) such that \(|BC| = |BD|\).

    \((ii)\) Join \(A\) to \(D\) and \(B\) to \(D\)

    \((iii)\) Measure \(|AC|\) and \(|AD|\)

  3. What type of quadrilateral is \(ADBC\)?


  4. Solution













Question 6


    The following marks were obtained by pupils in a test.

    \(\hspace{0.5cm}\)6 \(\hspace{0.5cm}\) 4 \(\hspace{0.5cm}\) 8 \(\hspace{0.5cm}\) 2 \(\hspace{0.5cm}\) 8
    \(\hspace{0.5cm}\)6 \(\hspace{0.5cm}\) 8 \(\hspace{0.5cm}\) 8 \(\hspace{0.5cm}\) 8 \(\hspace{0.5cm}\) 10
    \(\hspace{0.5cm}\)8 \(\hspace{0.5cm}\) 9 \(\hspace{0.5cm}\) 8 \(\hspace{0.5cm}\) 6 \(\hspace{0.5cm}\) 10
    \(\hspace{0.5cm}\)2 \(\hspace{0.5cm}\) 2 \(\hspace{0.5cm}\) 6 \(\hspace{0.5cm}\) 6 \(\hspace{0.5cm}\) 6

  1. Construct a frequency distribution table for the data.

  2. What is the modal mark?

  3. Calculate the mean mark.

  4. How many pupils scored more than 6 marks?

  5. What is the probability that a student chosen at random obtained 2 marks?


  6. Solution













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