We know that 1 yard = 3 feet.    A yardstick which is used for measurement has 3 feet long but it cannot walk.

Answer: A) first person limited Explanation: A first person point of view is said by a character who is invoved in the events of the story and unlike third person point of views will actually use words such as 'we' or 'I'.    The Great Gatsby is told from the point of view of Nick Carroway. He is from the Midwest, but narrates the story after it takes place in the East. As such, he is an outsider, and tends to judge what he experiences in the East based on his midwestern ideas and values.   Nick makes an effort to assure the reader that he is nonjudgmental and completely honest. This is ironic, because he is very judgmental and opinionated.

Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.

Answer: C) Electron transport chain Explanation: There are 3 stages in cellular respiration. They are: 1. Glycolysis 2. Kreb's cycle 3. Electron transport chain   Here, Glycolysis produces only 2 ATP whereas Kreb's cycle produces no ATP. Electron transport chain of the cellular respiration produces the maximum ATP.

Answer: B) Photosynthesis Explanation: Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis.  The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion.

Answer: A) TRUE Explanation: The above-given statement is absolutely true. Poorly tuned engines of vehicles will not get good gas mileage. A poorly running engine may lose power that is needed for normal driving and emergencies, may not start, gets poor fuel economy, pollutes the air, and could stall when you are on the road causing a traffic problem.

A Bath towel or a tea bag are suitable answers.

Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P.  S.P. of P articles = Rs. 40.   Profit = Rs. (40 - P)   Now, Gain% = ProfitC.P×100 = 40-PP×100    Here 40-PP×100= 25 -->P = 32.