Question 1The diagonal of a square is 60cm. Calculate its perimeter.A.20√2B.40√2C.90√2D.120√2Objective Show full explanation
Question 2Differentiate y = 3cos 2x - sin 4xA.-6sin 2x + 4cos 4xB.6sin 2x + 4cos 4xC.-6sin 2x - 4cos 4xD.6sin 2x - 4cos 4xObjective Show full explanation
Question 3A man kept 6 black, 5 brown and 7 purple shirts in a drawer. What is the probability of his picking a purple shirt with his eyes closed?A.1/3B.13/30C.7/18D.7/11Objective Show full explanation
Question 4At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?A.1 1/2%B.2 1/2%C.1.5%D.2.5%Objective Show full explanation
Question 5If x + 0.4y = 3 and y = $${\frac12}$$x, find the value of (x + y).A.1 1/4B.2 1/2C.3 3/4D.5Objective Show full explanation
Question 6If 2Logx$${3{\frac38}}$$, find the value of xA.3/2B.4/3C.2/3D.1/2Objective Show full explanation
Question 7Calculate the simple interest on N6 500 for 6 yearsA.N1200B.N1,560C.N2400D.N2200Objective Show full explanation
Question 8A boy looks through a window of a building and sees a mango fruit on the ground 50m away form the foot of the building. If the window is 9m from the ground. calculate, correct to the nearest degree, the angle of depression of the mango form the window.A.9°B.10°C.11°D.12°Objective Show full explanation
Question 9Evaluate $${\frac{0.0028213}{0.634}}$$ and give your answer in standard form.A.4.45 × 10-3B.4.45 × 10-6C.4.45 × 10-5D.4.45 × 10-4Objective Show full explanation
Question 10Express 302.10495 correct to five significant figures.A.302.10B.302.11C.302.105D.302.1049Objective Show full explanation