Question 11. List the members of the set Q = {prime factors of 30}A.{2, 3, 5}B.{2, 6, 10}C.{3, 5, 15}D.{3, 6, 15}Objective Show full explanation
Question 1(a) Find the difference between the product of 2.5 and 7.5 and the sum of 2.75 and 9.55.(b) Solve ${{3x+2}/{3}}-{{3-x}/{8}}={1}/{6}$ (c) A container is 24 m long, 9 m wide and 8 m high. How many books can it hold if each book is 20 cm long, 16 cm wide and 6 cm thick.Theory Show full explanation
Question 2Given that set P = {m, n, o, p}, find the number of subsets of P.A.4B.8C.10D.16Objective Show full explanation
Question 2(a) In a test consisting of 90 questions, Ama answered 75% of the first 40 questions correctly. If she had to get a score of 80% in the test,(i) how many questions did she answer correctly out of the first 40 questions?(ii) how many questions should she answer correctly out of the 90 questions ?(iii) what percentage of the remaining 50 questions should she answer correctly in order to get the 80%?(b) Three interior angles of a pentagon are 100°, 120° and 108°. Find the size of each of the remaining two interior angles, if one of them is three times the other.Theory Show full explanation
Question 3If M = {multiples of 4 between 10 and 25} and N = {even numbers between 11 and 23}, find M ∪ NA.{12, 16, 20}B.{14, 18, 22}C.{12, 14, 16, 18, 22}D.{12, 14, 16, 18, 20, 22, 24}Objective Show full explanation
Question 4What is the place value of 7 in 24.376 ?=A.UnitB.TenC.TenthD.HundredthObjective Show full explanation
Question 5Find the Highest Common Factor of 24, 42 and 72A.4B.6C.7D.12Objective Show full explanation
Question 5(a) A cylinder which has a height of 90 cm and diameter 14 cm is closed at both ends.Find:(i) its total surface area;(ii) the volume of the cylinder[Take π = 22/7](b) (i) Using a ruler and a pair of compasses only, construct triangle PQR such that|PQ| = 8cm, angle PQR = 120° and |QR| = 6 cm.(ii) Measure:(α) |PR|;(β) angle QPRTheory Show full explanation
Question 6The table shows the distribution of grades of candidates in an examination. Grade 1 2 3 4 5 6 Fraquency 2 3 6 5 4 10 (a) Using a graph sheet, draw a bar chart for the distribution(b) If all candidates who obtained grades above grade 3 were awarded credit, find the probability that a candidate selected at random obtained credit.(c) Calculate, correct to the nearest whole number, the mean grade of the candidates.Theory Show full explanation
Question 7If p × q × r = 1197, and p = 19, q = 3, find rA.21B.49C.57D.61Objective Show full explanation
Question 8How many integers are within the interval –5 < x < 7 ? A.10 B.11 C.12 D.13Objective Show full explanation
Question 10Arrange the following fractions in ascending order: 5/8, 11/20, 7/10A.5/8, 11/20, 7/10B.7/10, 5/8, 11/20C.11/20, 5/8, 7/10D.5/8, 7/10, 11/20Objective Show full explanation
Question 11Abena spent 1/5 of her money on sweets, 4/7 on provisions and the rest on gari. What fraction of her money did she spend on gari?A.27/35B.13/35C.8/35D.5/35Objective Show full explanation
Question 12If 5 boys took 14 days to cultivate a piece of land, how long will it take 7 boys working at the same rate to cultivate the land ?A.14 daysB.12 daysC.10 daysD.8 daysObjective Show full explanation
Question 13A man invested GHC 800.00 in a bank at a simple interest rate of 5% per annum. Find his total amount in the bank at the end of one year.A.GHC 840.00B.GHC 860.00C.GHC 900.00D.GHC 960.00Objective Show full explanation
Question 14John sold a car for GHC 60,000.00 and made a profit of 20%. What is the cost price of the car?A.GHC 48,000.00B.GHC 50,000.00C.GHC 72,000.00D.GHC132,000.00Objective Show full explanation
Question 16Express 625.13 in standard formA.6.2513 × 10-2B.6.2513 × 10-4C.6.2513 × 102D.6.2513 × 104Objective Show full explanation
Question 17Find the median of the numbers 17, 12, 15, 16, 8, 18, 13 and 14A.8B.12C.14.5D.15.5Objective Show full explanation
Question 18The ages in years of 10 children at a party are 2, 3, 3, 3, 4, 4, 5, 5, 5 and 6. If a child is chosen at random, what is the probability that he / she is not less than 5 years old ?A.2/3B.2/5C.3/10D.1/2Objective Show full explanation
Question 19Expand (2x + y) (2x – y)A.2x²-y²B.Ax²-y²C.2x²+4xy-y²D.Ax²+4xy-y²Objective Show full explanation
Question 20Find the value of n, if 25.003 = (2 × 10) + (5 × 1) + (3 × n)A.0.001B.0.011C.0.01D.0.1Objective Show full explanation
Question 22A wrist watch is priced GHC 2,000.00. A shopkeeper allows a discount of 2% on the cost price. Find the discount on 20 of such wrist watches.A.GHC 500.00B.GHC 600.00C.GHC 800.00D.GHC 1,000.00Objective Show full explanation
Question 24Find the rule for the following mapping${\table x,1,2,3,4,5;↓,↓,↓,↓,↓,↓;y,1,4,9,16,25}$A.y→x+2B.y→2xC.y→x2D.y→2x+2Objective Show full explanation
Question 26The circumference of a circle is 440m. Find the area of the circle. [Take π = 22/7]A.14,400m²B.15,400m²C.16,400m²D.18,000m²Objective Show full explanation
Question 27What name is given to a triangle which has all its sides equal?A.Isosceles triangleB.Scalene triangleC.Equilateral triangleD.Right-angle triangleObjective Show full explanation
Question 28At eight o’clock, which of the following is the angle between the hour and the minute hands of the clock?A.150°B.120°C.90°D.60°Objective Show full explanation
Question 29A rectangular field 50m wide and y m long requires 260 m of fencing. Find y.A.15mB.40mC.80mD.105mObjective Show full explanation
Question 30Which of the following best describes the statement: ‘The locus of a point which moves so that its distance from two fixed points are always equal’?A.Bisector of an angleB.Perpendicular bisectorC.CircleD.Two parallel linesObjective Show full explanation
Question 31The point K (1, 5) is rotated through 90° anti-clockwise about the origin. Find the coordinates of the image of K.A.(5, -1)B.(-5, 1)C.(-1, 5)D.(1, -5)Objective Show full explanation
Question 32Kwame is facing west. Through how many degrees should he turn anti-clockwise to face north?A.90°B.180°C.270°D.360°Objective Show full explanation
Question 33Given that vectors u = (-35) and v = (2-3), find 2v – uA.B.C.D.Objective Show full explanation
Question 34What is the name of the figure above?A.CuboidB.KiteC.TriangleD.PyramidObjective Show full explanation
Question 35```${\table 13,12,17;E,F,10;11,16,G}$Use the magic square above to answer questions 35 to 37```Find the value of FA.14B.15C.18D.23Objective Show full explanation
Question 36```${\table 13,12,17;E,F,10;11,16,G}$Use the magic square above to answer questions 35 to 37```Find the value of E.A.14B.15C.18D.23Objective Show full explanation
Question 37```${\table 13,12,17;E,F,10;11,16,G}$Use the magic square above to answer questions 35 to 37```Evaluate E + GA.29B.30C.33D.38Objective Show full explanation
Question 38The hypotenuse and a side of a right-angled triangle are 13 cm and 5 cm respectively. Find the length of the third side.A.8 cmB.9 cmC.12 cmD.17 cmObjective Show full explanation
Question 39Find the missing number in the sequence below:11, 16, 22, 29, __, 46, 56A.30B.36C.37D.39Objective Show full explanation
Question 40A hall which is 20 m long is represented on a diagram as 10 cm long. What is the scale of the diagram?A.1:200B.1:250C.1:400D.1:500Objective Show full explanation