Question 1Simplify $$2 \frac5{12}$$ - $$1 \frac78$$ A.1/5B.13/24C.11/30D.9/4E. 5/3 Objective Show full explanation
Question 2PQRS is a cyclic quadrilateral with PQ as diameter of the circle. If A.75°B.371/2°C.127 1/20D.105°E.none of the above Objective Show full explanation Question 3Make c the subject of the equation a (b+c) + (5/d) - 2=0 A.c = (2d - 5 - b)/adB.c = (5 - 2d - b)/adC.c = (5 - 2d -- b)/ad D.c = (2d - 5 - abd)/adE.c = (2d - ab - 5)/adObjective Show full explanation Question 4Which values of the variable x (a) x = 0 (b) = 3 (c) x =9, satisfy the inequalities (x + 3)/(0 < x - 1 ≤ 2)?A.(a) (b) (c)B.(b) (c) onlyC.c onlyD.none of (a), (b), (c)E.none of the choices above Objective Show full explanation Question 5On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however that by increasing her usual speed in km/hr. she can save 20 minutes. Find her usual speed in km/hr A.1 2/3B. 2C.5D.6E.10 Objective Show full explanation Question 6Write down the number 0.0052048 correct to three significant figures A.0.005B.1.00052C.0.00520D.5.2048E.5204 Objective Show full explanation Question 7The ratio of the areas of similar triangles is necessarily equal to A.The ratio of the corresponding sidesB.the ratio of the squares on corresponding sidesC.the ratio of the corresponding heights of the trianglesD.half the ratio of the corresponding, bases to the heights of the trianglesE.the ratio of the corresponding bases to the heights of the triangles Objective Show full explanation Question 8P and Q are fixed points and X is a variable point which moves so that angles PXQ =45°. What is the locus of X? A.A pair of straight lines parallel to PQB.The perpendicular bisector of angle PXQC.Area of a circle passing through P and QD.A circle with diameter PQE.the bisector of angle PXQ Objective Show full explanation Question 9A man and wife went to buy an article costing N400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether? A.N216B.N200C.N184D.N144E.N100 Objective Show full explanation Question 10The weights of 30 new-born babies are given as follows: 6, 9, 5, 7, 6, 7, 5, 8, 5, 7, 5, 8, 7, 8, 7, 16, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is A.6B.5C.8D.7E.10 Objective Show full explanation Question 11What factor is common to all the expressions x2 - x, 2x2 + x - 1 and x2 - 17 A.xB.x - 1C.x + 1D.no common factorE.(2x - 1) Objective Show full explanation Question 12Simplify $$\frac{log_{10}0 - log_{10}4}{log_{10}4 - log_{10}2}$$ A.log102B.log108C.0D.log104Objective Show full explanation Question 13If (x - 2) - 3x2 - 4x + 1. Find f(1) A.8B.40C.7D.32 E.21 Objective Show full explanation Question 14A sector of a circle is bounded by two radii 7cm long and are of length 6cm. find the area of the sector. A.42cm2B.3cm2C.21cm2D.24cm2E.12cm2 Objective Show full explanation Question 15Given that p:g - 1/3 : 1/2 and q:r = 2/5 : 4/7, find p:r A.4:10B.7:15C.20:21D.2:36 E.3:12Objective Show full explanation Question 16The currency used in a country is called 'matimalik' (M) and is of base seven. A lady in the country bought 4 bags of rice at M56 per bag and 3 tins of milk at M4 per tin. What is the total cost of the items she bought? A.M246(7)B.M242(7)C.M236(7)D.M341(7)E.M338(7)Objective Show full explanation Question 17If x Is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled? A.4:1 increaseB.2:1 increaseC.1:4 decreaseD.1 :1 no changeE.3:4 decrease Objective Show full explanation Question 18If 0.0000152 x 0.0004 = A x 108 where 1= A < 10, find A and B A.A = 9, B = 6.38 B.A = 6.38, B = -9C.A = 6.38, B = 9D.A = 6.38, B = -IE.A = 6.38, B = 1Objective Show full explanation Question 19If x + 2 and x - 1 are factors of the expression Lx3 + t - 2kx2 + 24, find the values of L and k A.L = 6, k = -9B.L = 2, k = 1C.L = 2, k = -1D.L = 0, k = 1E.L = 6, K=0 Objective Show full explanation Question 20The value of (0.03)3 - (0.02)3 is A.0.019B.0.0019C.0.00019D.0.000019E.0.000035Objective Show full explanation
Question 3Make c the subject of the equation a (b+c) + (5/d) - 2=0 A.c = (2d - 5 - b)/adB.c = (5 - 2d - b)/adC.c = (5 - 2d -- b)/ad D.c = (2d - 5 - abd)/adE.c = (2d - ab - 5)/adObjective Show full explanation
Question 4Which values of the variable x (a) x = 0 (b) = 3 (c) x =9, satisfy the inequalities (x + 3)/(0 < x - 1 ≤ 2)?A.(a) (b) (c)B.(b) (c) onlyC.c onlyD.none of (a), (b), (c)E.none of the choices above Objective Show full explanation
Question 5On each market day Mrs. Bassey walks to the market from her home at a steady speed. This journey normally takes her 2 hours to complete. She finds, however that by increasing her usual speed in km/hr. she can save 20 minutes. Find her usual speed in km/hr A.1 2/3B. 2C.5D.6E.10 Objective Show full explanation
Question 6Write down the number 0.0052048 correct to three significant figures A.0.005B.1.00052C.0.00520D.5.2048E.5204 Objective Show full explanation
Question 7The ratio of the areas of similar triangles is necessarily equal to A.The ratio of the corresponding sidesB.the ratio of the squares on corresponding sidesC.the ratio of the corresponding heights of the trianglesD.half the ratio of the corresponding, bases to the heights of the trianglesE.the ratio of the corresponding bases to the heights of the triangles Objective Show full explanation
Question 8P and Q are fixed points and X is a variable point which moves so that angles PXQ =45°. What is the locus of X? A.A pair of straight lines parallel to PQB.The perpendicular bisector of angle PXQC.Area of a circle passing through P and QD.A circle with diameter PQE.the bisector of angle PXQ Objective Show full explanation
Question 9A man and wife went to buy an article costing N400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether? A.N216B.N200C.N184D.N144E.N100 Objective Show full explanation
Question 10The weights of 30 new-born babies are given as follows: 6, 9, 5, 7, 6, 7, 5, 8, 5, 7, 5, 8, 7, 8, 7, 16, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is A.6B.5C.8D.7E.10 Objective Show full explanation
Question 11What factor is common to all the expressions x2 - x, 2x2 + x - 1 and x2 - 17 A.xB.x - 1C.x + 1D.no common factorE.(2x - 1) Objective Show full explanation
Question 12Simplify $$\frac{log_{10}0 - log_{10}4}{log_{10}4 - log_{10}2}$$ A.log102B.log108C.0D.log104Objective Show full explanation
Question 14A sector of a circle is bounded by two radii 7cm long and are of length 6cm. find the area of the sector. A.42cm2B.3cm2C.21cm2D.24cm2E.12cm2 Objective Show full explanation
Question 15Given that p:g - 1/3 : 1/2 and q:r = 2/5 : 4/7, find p:r A.4:10B.7:15C.20:21D.2:36 E.3:12Objective Show full explanation
Question 16The currency used in a country is called 'matimalik' (M) and is of base seven. A lady in the country bought 4 bags of rice at M56 per bag and 3 tins of milk at M4 per tin. What is the total cost of the items she bought? A.M246(7)B.M242(7)C.M236(7)D.M341(7)E.M338(7)Objective Show full explanation
Question 17If x Is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled? A.4:1 increaseB.2:1 increaseC.1:4 decreaseD.1 :1 no changeE.3:4 decrease Objective Show full explanation
Question 18If 0.0000152 x 0.0004 = A x 108 where 1= A < 10, find A and B A.A = 9, B = 6.38 B.A = 6.38, B = -9C.A = 6.38, B = 9D.A = 6.38, B = -IE.A = 6.38, B = 1Objective Show full explanation
Question 19If x + 2 and x - 1 are factors of the expression Lx3 + t - 2kx2 + 24, find the values of L and k A.L = 6, k = -9B.L = 2, k = 1C.L = 2, k = -1D.L = 0, k = 1E.L = 6, K=0 Objective Show full explanation
Question 20The value of (0.03)3 - (0.02)3 is A.0.019B.0.0019C.0.00019D.0.000019E.0.000035Objective Show full explanation