Ghana BECE 2008 MATHEMATICS PAST QUESTIONS AND ANSWERS

M = {1, 2, 3, 4, 5, ….. ,20}
Q = {3, 4, 5, 6, 7, 8} and
R = {2, 3, 5, 7}
If Q and R are subsets of M, find Q∩R.

2) List the members of the set {2 ≤ x ≤ 5}.

3) Round 8921465 to the nearest hundred.

4) Write 98 as a product of its prime factors

5) Evaluate 4(8 – 2) + 5(3 – 8).

Arrange the following in 6) descending order of magnitude:
0.32, ⅖, 27%, ⅓.

7) The ratio 8:12 is equivalent to y : 9. What is the value of y?

8) Write 0.55 as a fraction in its lowest term.

9)

Which of the following can be made from the net above?

10) Simplify 5w + 7p² – 4w + 3p²

11) Osei bought a hat for GH¢5.00. He sold it to Yaovi at a profit of 20%. How much did Yaovi pay for the hat?

12) Simplify 2⁹ ÷ 2³

13) Find the image of -3 under the mapping x → 2(x + 3).

14) A football field is 120m long and 75m wide. What is the perimeter of the field?

15) A tank holds 240 litres of water. How much water is in the tank when it is ⅘ full?

16) A man has 6x sheep and 5y goats. He sells 3x sheep and 2y goats. How many animals are left after the sales?

17)

What was the total amount of rainfall in May, June and July?

18)

19) A trader buys a dozen pens at GH¢4.80 and sells them at 48 Gp each. Find her percentage profit.

20) Find the angle through which the minute hand of a clock moves from 5.15 p.m. to 5.25 p.m.

21) If E = {prime numbers between 10 and 20} and F = odd numbers between 0 and 16}, find E∩F.

22) Write 17ten in base two numeral.

23) What fraction of a revolution is 72°?

24) Express 6 days is to 3 weeks as a ratio in its simplest form.

25) The letters in the word HIPPOPOTAMUS are placed in a box. What is the probability of taking out a letter that is a vowel?

26) Find the perimeter of the kite below.

Illustrate 3 < x < 5 on the number line, where x ∊ {rational numbers}.

28) How many lines of symmetry has an equilateral triangle?

29) If p = (4 3) and q = (-2 7), find 4p – 2q.

30) Which of the following is not a quadrilateral?

31)

Find the value of x.

32)

33) Solve 4k/9 = 12.

34) Expand (a + 4)(a + 6)

35) Find 12½% of GH¢80.00.

36) Write the number 34.1 in standard form.

38) Find the highest common factor of 15 and 21.

39) The difference between two numbers is 168. If the smaller number is 113, find the other number.

40) If r = (2 5) and t = (-2 -3), evaluate r + t.