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Question: If the vectors A = 5i + 5j and B = 5i - 5j, what is the scalar product A · B?Options: 5002..
Question: What does a transfer function represent in control systems?Options: The relationship betwe..
Question: If x + y = 10 and xy = 21, what is the value of x² + y²?Options: 49596141Correct Answer: 4..
Question: A building is 50 m tall. If a person standing 40 m away from the building sees the top at ..
Question: A person standing on the ground observes the top of a pole at an angle of elevation of 75 ..
Question: From a point on the ground, the angle of elevation to the top of a hill is 30 degrees. If ..
Question: A person is standing 40 m away from a building and sees the top of the building at an angl..
Question: If a person standing 30 m away from a building observes the top of the building at an angl..
Question: A ladder 10 m long reaches a window 8 m high. What is the angle of elevation of the ladder..
Question: If sin²A + cos²A = 1, what is sin²A when cos A = 0.6?Options: 0.360.640.760.16Correct Answ..
Question: A data set has values: 2, 4, 4, 4, 5, 5, 7, 9. What is the variance? (2021)Options: 4567Co..
Question: If the mean of a data set is 30 and the standard deviation is 5, what is the variance? (20..
Question: The scores of a class in a test are: 10, 12, 14, 16, 18. What is the variance? (2022)Optio..
Question: Which of the following data sets has the highest variance? A: {1, 2, 3}, B: {1, 1, 1}, C: ..
Question: A data set has a mean of 20 and a variance of 16. What is the range of the data if the max..
Question: Calculate the variance of the following numbers: 1, 2, 3, 4, 5. (2022)Options: 21.510.5Cor..
Question: A box contains 10 balls, of which 4 are white and 6 are black. If one ball is drawn at ran..
Question: A jar contains 5 green, 7 yellow, and 8 blue marbles. If one marble is drawn at random, wh..
Question: A bag contains 4 white, 3 black, and 5 red balls. If one ball is drawn at random, what is ..
Question: The following numbers represent the number of games won by a team in a season: 5, 6, 6, 7,..
Question: In a group of students, the number of languages spoken is: 1, 2, 2, 3, 3, 4, 4, 4, 5. What..
Question: In a set of data: 10, 20, 20, 30, 30, 30, 40, 50, 50, 50, 50. What is the mode?Options: 20..
Question: A class of students scored the following marks: 45, 55, 55, 60, 60, 60, 70, 75, 80. What i..
Question: In a survey, the ages of 15 participants are: 22, 23, 23, 24, 25, 25, 25, 26, 27, 28, 29, ..
Question: What does a phase margin of less than 0 degrees indicate?Options: The system is stable.The..
Question: In a transfer function, what does a pole represent?Options: A point of zero output.A frequ..
Question: If the median of the data set 3, 7, 8, 12, x is 8, what is the value of x? (2022)Options: ..
Question: What is the trace of a 2x2 matrix [[a, b], [c, d]]? (2019)Options: a + bb + ca + dc + dCor..
Question: If A is a 3x3 matrix and B is a 3x3 matrix, what is the maximum number of non-zero element..
Question: If A is a 2x2 matrix and B is a 2x2 matrix, what is the order of the product AB? (2019)Opt..
