Question 1Solve for p in the following equation given in base two. \n 11(p + 110) = 1001pA.10B.11C.110D.111Objective Show full explanation
Question 2In a class, 37 students take at least one of chemistry, economics, and government. 8 students take chemistry 19 take economics and 25 take government. 12 students take economics and government but nobody takes chemistry and economics. How many students take both chemistry and government?A.3B.4C.5D.6Objective Show full explanation
Question 3A businessman invested a total of N200,000 in two companies which paid dividends of 5% and 7% respectively. If he received a total of N11,600 as dividends, how much did he invest at 5%?A.N160, 000B.N140, 000C.N120, 000D.N80, 000Objective Show full explanation
Question 4A cyclist rode for 30minutes at xkm/hr, and due to a breakdown he had to push the bike for 2hrs at (x - 5)km/hr. If the total distance covered is less than 60km, what is the range of values of x?A.x < 14B.x < 20C.x < 29D.x < 28Objective Show full explanation
Question 5z is partly constant and partly varies inversely as the square of d. When d = 1, z = 11 and when d = 2, z = 11. Find the value of z when d = 4A.2B.3.5C.5D.5.5Objective Show full explanation
Question 6Factorize 16(3x + 2y)2 - 25(a + 2b)2A.(12x + 8y + 5a + 10b) (12x + 8y - 5a - 10b)B.(12x + 8y - 5a - 10b) (12x + 8y - 5a - 10b)C.20(3x + 2y - a - 2b) (3x + 2y + a + 2b)D.20(3x + 2y + a + 2b) (3x + 2y + a + 2b)Objective Show full explanation
Question 7A cone has a base radius 4cm and height 3cm. The area of its curved surface isA.12πcm2B.24πcm2C.20πcm2D.15πcm2Objective Show full explanation
Question 9Expand the expression (x2 - 2x - 3)(x2 + x + 1)A.x - 4x - 5x - 3B.-x3 - 4x2 - 5x - 3C.x4 - x3 - 4x2 - 5x - 3D.x4 - 4x2 - 5x - 3Objective Show full explanation
Question 10A girl walks 30m from a point P on a bearing of 040° to a point Q. She then walks 30m on a bearing of 140° to a point R. The bearing of B from P isA.90°B.50°C.45°D.40°Objective Show full explanation
Question 11A regular polygon has each of its angles as 160°. What is the number of sides of the polygon?A.36B.9C.18D.20Objective Show full explanation
Question 12The interior angles of a pentagon are: 180°, 118°, 80°, 78° and x. The value of x is:A.75°B.108°C.120°D.134°Objective Show full explanation
Question 13All the vertices of an isosceles triangle lies on a circle and each of the base angles of the triangle is 65°. The angle subtended at the centre of the circle by the base of the triangle is:A.130°B.115°C.100°D.65°Objective Show full explanation
Question 14A square tile measures 20cm by 20cm. How many of such files will cover a floor measuring 5m by 4m?A.500B.400C.320D.250Objective Show full explanation
Question 15The volume of a certain sphere is numerically equal to twice its surface area. The diameter of the sphere is:A.6B.9C.12D.√6Objective Show full explanation
Question 16A bearing of 310°, expressed as a compass bearing is:A.N50°WB.N40°WC.S40°WD.S50°WObjective Show full explanation
Question 17The average of the three children in a family is 9 years. If the average age of their parents is 39 years, the average age of the whole family is:A.20 yearsB.21 yearsC.24 yearsD.27 yearsObjective Show full explanation
Question 18Simplify 1 + 2⁄3 - 3 ÷ (1 + 2⁄3 of 6⁄7)A.-8/33B.21/11C.33/21D.21/8Objective Show full explanation
Question 20A woman buys 4 bags of rice for N56 per bag and 3 bags of beans for N26 per bag using the currency "NAIRA"(N) in base 7. What is the total cost of the items in another currency "ANTI" (A) in base 8?A.M224B.M114C.M340D.M440Objective Show full explanation
Question 21When the price of egg was raised by N2 an egg, the number of eggs which can be bought for N120 is reduced by 5. The present price of an egg isA.N6B.N7C.N8D.N10Objective Show full explanation
Question 22How long will it take a sum of money invested at 8% simple interest to double the original sum?A.8 yearsB.10.5 yearsC.12 yearsD.12.5 yearsObjective Show full explanation
Question 23The journey from Lagos to Ibadan usually takes a motorist 1 hour 30 minutes. By increasing his average speed by 20km/hr, the motorist saves 15 minutes. His usual speed, in km/hr isA.100B.90C.85D.80Objective Show full explanation
Question 24The smallest section of a rod which can be cut into exactly equal sections, each of either 30cm or 36cm in length isA.90cmB.180cmC.360cmD.540cmObjective Show full explanation
Question 25If x = 0.0012 + 0.003174, what is the difference between x and 2 decimal places and x to 1 significant figure?A.0.01B.0.0051C.0.1D.0.005Objective Show full explanation
Question 26The angle of depression of two points A and B on a plane field from the top of a mast erected between A and B are 30° and 45° respectively. If A is westward of B, find |AB| if the height of the mast is 15m from the field.A.15√3mB.5(3 + √3)mC.15(1 + √3)mD.15(√3 - 1)mObjective Show full explanation
Question 27The radius if a circle is given as 10cm subject to an error of 0.2cm. The error in the area of the circle isA.1⁄4%B.1⁄50%C.2%D.4%Objective Show full explanation
Question 28In a survey of 100 students in an institution, 80 students speak Yoruba, 22 speak Igbo, while 6 speak neither Igbo nor Yoruba. How many students speak Yoruba and Igbo?A.96B.8C.64D.12Objective Show full explanation
Question 29A bag contains 5 yellow balls, 6 green and 9 black balls. A ball is drawn from the bag. What is the probability that it is a black or yellow ball?A.37/160B.133/400C.77/800D.133/800Objective Show full explanation
Question 30The expression a3 + b3A.(a2 + b)(a - ab - b2)B.(a + b)(a2 - ab + b2)C.(a - b2)(a2 - ab + b)D.(a - b)(a2 + ab + b2)Objective Show full explanation
Question 31A cylinder has height 4cm and base radius 5cm. Its volume to 3 significant figure isA.314.cm2B.31.42cm2C.251.4cm2D.251cm2Objective Show full explanation
Question 32Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3)A.4B.6C.3D.zeroObjective Show full explanation
Question 33Dividing 2x - x - 5x + 1 by x + 3 gives the remainderA.-3B.47C.61D.-47Objective Show full explanation
Question 34Let f(x) = 2x3 - 3x2 - 5x + 6. If x - 1 divides f(x), find the zeros of the functionA.1, 2, 3⁄2B.1, 2, -3⁄2C.-1, 2, 3D.1, -2, -3⁄2Objective Show full explanation
Question 35The difference of two numbers is 10, while their product is 39. Find these numbersA.-3 and 10 or 13 and 10B.3 and -10 or 3 and 13C.3 and -3 or 3 and 13D.-3 and -13 or 13 and 3Objective Show full explanation
Question 36The average age of x pupils in a class is 14 years 2 months. A pupil of 15 years 2 months joins the class and the average age is increased by one month. Find x.A.12B.6C.11D.14Objective Show full explanation
Question 37If the distance covered by a body in time to seconds is s = t3 - 6t2 - 5t, what is its initial velocity?A.0ms-1B.-4ms-1C.(3t -12t - 5)ms-1D.5ms-1Objective Show full explanation
Question 38In a throw of a fair die, the probability of obtaining an even number isA.1B.2⁄3C.1⁄2D.2⁄3Objective Show full explanation
Question 39Two fair coins are tossed simultaneously. What is the probability of obtaining at least 1 tail turns up?A.1⁄4B.3⁄4C.1⁄2D.1Objective Show full explanation
Question 40One angle of a polygon has each of its angles as 160°. What is the number of sides of the polygon?A.18B.36C.9D.20Objective Show full explanation
Question 41One angle of an octagon is 100° while the other sides are equal. Find each of these interior angles.A.80°B.60°C.140°D.40°Objective Show full explanation
Question 42In a right-angled triangle, tanθ = 3⁄4 What is the value of sinθ + cosθ?A.7/3B.7/4C.5/7Objective Show full explanation
Question 43If sinθ = 1⁄√3, then tanθ isA.√2B.1/2C.√3D.1/√2Objective Show full explanation
Question 44The coordinates of the point dividing the line AB (-1, 2) and B (3, 4) externally in the ratio 3:2 isA.(11, 8)B.(8, 5)C.(5, 11)D.(5, 9)Objective Show full explanation
Question 45The point P (4, 5) lies on the line joining A (1, 2) and B (-4, 7). The ratio AP:AB isA.2:3B.3:2C.4:5D.3:5Objective Show full explanation
Question 46The ends of a diameter of a circle are (-2, 3) and (4, 7). The equation of the circle isA.x2 + y2 - 2x - 10y + 15 = 0B.x2 + y2 + 2x - 10y - 13 = 0C.x2 + y2 - 2x - 10y + 15 = 0D.x2 + y2 - 2x - 10y - 15 = 0Objective Show full explanation
Question 47The centre and radius of the circle with the equation x2 + y2 - 2x + 6y + 5 = 0 are respectivelyA.(1, 3) and 5B.(3, 1) and √5C.(1, -3) and √5D.(3, -1) and 5Objective Show full explanation
Question 48Evaluate $$\frac{log_{3}(0.04)}{log_{3}18 - log_{3}2}$$A.2/3B.-1C.1D.-2/3Objective Show full explanation
Question 49Simplify $$\frac{1-x^2}{x-x^2}$$A.(1 - x)/xB.(1 + x)/xC.1/xD.(-x - 1)/xObjective Show full explanation
Question 50When the expression pm2 + qm + is divided by (m - 1), it has a remainder of 3 and when divided by (m + 1) the remainder is 4. Find p and q respectively.A.2, 1B.2, -1C.-1, 2D.1, 2Objective Show full explanation