Dhaka International University Faculty of Science & Engineering Department of Civil Engineering Trimester Final Examination (Summer, 2023) Batch: 41st (2nd shift), Trimester: 7th Course No: Hum-113, Course Title: Economics Time: 2.5 hours Marks: 50 Instruction: Figures in the right margin indicate full marks. Section A: Answer any two from Questions 1-3 1. 2. 3. a. Define total utility and marginal utility. 5 b. Demonstrate differences between cardinal and ordinal utility. 5 Elaborate the following concept: IEconomic Growth IIInflation b. Graphically explain the concept of consumer’s surplus. 5 a. Define supply and briefly mention the determinants of supply. 5 b. From the following Supply equation illustrate a supply curve. 5 a. 5 Qs = 120 + 2P Section B: Answer any two from Questions 4-6 4. a. Assume M = 200, Px =20 and Py = 10, 5 (Where M is the income of the consumer, Px the price of commodity X and Py is the price of commodity Y.) Construct budget line from using the above information. 5. 6. b. Using Indifference curve and Budget line demonstrate consumer’s equilibrium. 5 a. Interpret production. 5 b. Discuss the factor of production. 5 Assume Demand and Supply function Qd = 20 – 5P 10 Qs = 5P I – Compute equilibrium price and quantity II – Show your result in diagram Page 1 of 2 Section C: Answer any one from Questions 7-8 7. Briefly elaborate Perfect competition market with its properties. 8. Consider a consumer is successively consuming a particular good or service, 10 what will happen if the consumer will continue to do so discuss in light of law of diminishing marginal utility. 10 Page 2 of 2