Ghana BECE 2009 MATHEMATICS PAST QUESTIONS AND ANSWERS

1) Given that A= {1, 2, 3, 4, 5, 6} and B = {3, 6, 9, 12}, find A⋃B.

2) Write 2340000 in standard form.

3) How many faces has a cubiod?

4) Subtract 125.47 from 203.90.

5) Simplify (5m + 3n) – (2m – n).

6) Which of the following sets is equal to {1, 2, 3, 4}?

7) In a town of 42,800 inhabitants, 48% are male. The rest are female. How many more females are there than males?

8) What set does the following graph represent?

9)

What is the angle for French?

10)

11) A teacher is to be chosen at random from a group of 6 male and 2 female teachers for a patron of a Mathematics Club. What is the probability that a female teacher is chosen?

12) Solve the equation: 2x – 3(x – 1) = 6

13) If m = 3 and n = -3, evaluate ½(3m – n)

14) Which of the following sets of angles form the interior angles of a right angled triangle?

15) A rectangle has an area of 36 cm² and a width of 3 cm. Find its perimeter.

16) State the rule for the mapping

17) Find the value of 4 + x⁰.

18) A van travels 154 km in 1¾ hours. Find its speed in km/h.

19) In the figure below, PQ and RS are straight lines. Find the value of the angle marked w⁰.

20) If x + 5 = -7, find the value of x/6.

21) In the following diagram, rectangle OABC is enlarged into rectangle OA₁B₁C₁ from centre O. OC = 5 cm, OA = 2 cm and AA₁ = 1 cm.

22)

Calculate OC₁.

23) The height of a flag pole in a scale drawing is 5 cm. If the scale is 1 cm to 3 m, what is the actual height of the pole?

24) Factorize ax + 3x + a + 3

25) If y = x+8/x-4, find the value of y when x = 2.

26) Find the Greatest Common Factor (GCF) of 90, 126 and 72.

27) Given that 1 : 3 = x : 21, find the value of x.

28) Find the difference between 432five and 143five.

29) Simplify: 14⅓ – 2⅜ + 5⁷∕₁₂

30) Nine bottles of equal capacity hold 4½ litres of water. How much do x bottles hold?

31) A sales girl receives a 5% commission on all she sells. Find how much she has to sell to receive GH¢15.00.

32) Arrange the following fractions in ascending order: ⁷∕₁₂, ⅗, ⁷∕₁₅, ¾.

33) Add 2.5 to the product of 4.2 and 0.2.

34) What is the value of four in the number 7073.48?

35)

What is the modal age?

36)

A child is selected at random, what is the probability that he or she is 4 years old?

37)

How many children are 7 or more years old?

38) Write the vector using cartesian components.

39) If r = (-10 -3) and n = (8 -6), find n + r.

40) Simplify: 5 – 7 + 2(3 – 8)