Sponsored Links: UNILAG 2005 21. A bus traveling at 15m s-1 accelerates uniformly at 4m s-2. What is the distance covered in 10s? Answer: _________ 22. The volume and pressure of a given mass of gas at 27 0C are 76 cm3 and 80 cm of mercury respectively. Calculate its volume at s.t.p. Answer: __________ 23. A simple microscope forms an image 10 cm from an eye close to the lens. If the object is 6 cm from the eye, calculate the focal length of the lens. Answer: _________ 24. Calculate the work done when a spring of force constant 105 N/m is extended by 0.2m Answer: __________ Suggested Answers 21. Answer: 350m 22. Answer: 72.8cm3 23. Answer: 3.75cm 24. Answer: 2000N 25. Answer: the path taken PHYSICS, UNILAG 2006 61. A piece of metal of relative density 5.0 weights 60 N in air. Calculate its weight when frilly immersed in water. Answer: _________ 62. A force acts on a body for 0.5 s changing its momentum from 16.0 kg m s-1 to 21.0 kg m s-1 calculate the magnitude of the force Answer: ____________ 63. The period of an oscillatory motion is defined as Answer: ________________ 64. A platinum resistance thermometer has a resistance of 4 Ω at 0 0C and 10 Ω at 100 0C. Assuming the resistance changes uniformly with temperature, calculate the resistance of the thermometer when the temperature is 45 0C. Answer: ________ 66. An object is placed on the principal axis and at the centre of curvature of a concave mirror, is the image of the object formed by the mirror real?. Answer: ________ 67. The direction of induced current in a straight wire placed in a magnetic field is determined by using Answer: __________ SUGGESTED ANSWERS 2006 61. Answer: 48N 62. Answer: 10.0N 63. Answer: time to complete one oscillation 64. Answer: 6.7 66. Answer: real and inverted 67. Answer: Fleming\'s right hand rule Please check to be sure. Thanks.

ECONOMICS: UNILAG POST UME 2005 26. The sum of N80,000 is deposited in a bank and the cash ratio of the banking system is 10 calculate the total sum of money the bank can create from the deposit. Answer: ______ 27. If budget deficits are financed by borrowing, the crowding-out effect can be offset by an increase in Answer: _______________ 28. A tax that takes an increasing fraction of income goes down is called Answer: ________________ 29. A. rising short-run average cost is a result of Answer: _______________ 30. The only factor of production that plays an active role in the production process is Answer: _______________

Economcs: UNILAG POST UME 2007 46. The consumption function of an economy with no government sector and no foreign trade is C = W120 + 0. 6Y. (C = aggregate consumption and Y nation income). If investment expenditure is autonomous and equal to W 280, what is the equilibrium level of income? Answer: _______________ 47. The winner of a T.V quiz show is offered a choice of either #1000 or the contents of one or other of two sealed boxes. Sheâ€™s told that one box contains #2,500 and that the other box is empty. What is the opportunity cost to the individual of opting for the #1000 price? Answer: ________________ 48. Which schedule shows the maximum prices at which a firm would be able to sell any given level of output? Answer: ________________ 49. In which circumstance will an indirect tax fall entirely upon the producers of a commodity? Answer: _______________ 50. In an economy with no government, the value of the investment multiplier is 3 by how much will consumption increase, if investment increases by #300? Answer:_______________ 51. Which of the following is a normative statement? Answer: _______________ 52. An employer currently employs 200 workers. The marginal cost of hiring an additional worker is N50 if the employees current wage bill is =N= 20,000, by how much will the wage paid per worker new to be increased in order to attract one more worker? Answer: ____________ 53. Given the cost function C = 160 + 36q, what is the average cost of 20 units of output? Answer: _____________ 54. When the important of a commodity is limited to a definite quantity, the control means used known as Answer: ____________ 56. When is a profit â€“ maximizing firm in equilibrium? Answer: ____________ 57. Which of the following will be likely to result from an open market purchase of securities by the central bank? Answer: ____________ 58. Which of the following explains how changes in national income may be brought about by changes in investment? Answer: ___________ 59. Average earnings in manufacturing increase by 8%. While hourly wage rates increase by only 6% What could account for this? Answer: _______________

SUGGESTED ANSWERS, 2005 27. government expenditure 28. regressive 29. diminishing return 30. labour Always confirm the correct answers first. Thank you.