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: B) 160 Explanation: Let the number be n. Then, 50% of n - 35% of n = 24 50/100 n - 35/100 n = 24 n = (24 x 100)/15 = 160.

Answer: D) 2000 Explanation:

Answer: B) Kinetic energy Explanation: Energy can be either a potential energy or a kinetic energy. The energy associated with motion is called Kinetic energy and it can be stored. And the energy associated with position is called Potential energyand it cannot be stored.

Answer: A) Intellectual Property Rights Explanation: IPR's stands for Intellectual Property Rights. Intellectual property is the product of the human intellect including creativity concepts, inventions, industrial models, trademarks, songs, literature, symbols, names, brands,....etc.

It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago. Given In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old => In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.

Answer: C) gram Explanation: Gram is not a Plantation crop among the given options.   Plantation crops are known as cash crops. These crops are mostly grown at tropical and subtropical areas. These crops are grown for sale but not for local consumption. such crops include rubber, coffee, tea, various oil seeds, sugar cane,etc. So, Gram is not a plantation crop.

Answer: B) Executive Explanation: