Answer: C) Italy Explanation: She was born on November 29, 1899. She was from Italy. She held the Guinness World Record titles for oldest living person and oldest living woman.

Answer: D) 2000 Explanation:

Answer: D) Glad Explanation:

Answer: D) 6 hrs 28 min Explanation: Time taken to cover 600 km = 600/100 = 6 hrs. Number of stoppages = 600/75 - 1 = 7 Total time of stoppages = 4 x 7 = 28 min Hence, total time taken = 6 hrs 28 min.

The Interstate Commerce Act of 1887 is a United States federal law that was designed to regulate the railroad industry, particularly its monopolistic practices.   The reason that the Interstate Commerce Act required that rates be published was to avoid secret rebates and similar deals. Until then, big shippers would demand rebates from railroads, which would in effect reduce their shipping costs without letting competitors know. This is anti-competitive. Hence, the Act required that railroad rates be "reasonable and just," but did not empower the government to fix specific rates.

Answer: A) Prices do not reflect the full social cost of production Explanation: Prices do not reflect the full social cost of production is an example of Market failure.   A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. It also occurs if externalities are not accounted for. If a firm fails to maximize its profits this is not a general market failure.

Answer: A) 10 yrs Explanation: Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years. (2x + 2) + 2x + x = 27 5x = 25 => x = 5 Hence, B's age = 2x = 10 years.

Answer: D) Mitochondria Explanation: Mitochondria is the Organelle in which Cellular Respiration Occur.