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Question: Given vectors A = 4i + 2j and B = -i + 3j, calculate A · B.Options: 610812Correct Answer: ..
Question: If A = 2i + 3j + k and B = i - 2j + 4k, find the scalar product A · B.Options: 1012148Corr..
Question: If sin²A + cos²A = 1, what is the value of sin²A when cos A = 0?Options: 011/2UndefinedCor..
Question: If cot θ = 1, what is the value of θ?Options: 0°45°90°180°Correct Answer: 45°Solution: cot..
Question: If sin A = 1/2, what is the value of A in radians?Options: π/6π/4π/3π/2Correct Answer: π/6..
Question: If a = 5 and b = 2, what is the value of (a - b)²?Options: 925491Correct Answer: 9Solution..
Question: Which of the following is the correct identity for (x + y + z)³?Options: x³ + y³ + z³ + 3(..
Question: If a + b = 5 and ab = 6, what is the value of a² + b²?Options: 7112519Correct Answer: 11So..
Question: A person standing on the ground observes the top of a 40 m high building at an angle of el..
Question: From the top of a 50 m high tower, the angle of depression to a point on the ground is 30 ..
Question: A man is 30 m away from a building and sees the top of the building at an angle of elevati..
Question: A kite is flying at a height of 50 m. If the angle of elevation from a point on the ground..
Question: If the angle of elevation of a hill from a point on the ground is 30 degrees and the dista..
Question: A person is standing 40 m away from a building and observes the top of the building at an ..
Question: A ladder 15 m long reaches a window 12 m above the ground. What is the angle of elevation ..
Question: A man is standing at a distance of 50 m from a tower. The angle of elevation of the top of..
Question: What is the value of cot 60°?Options: 1/√3√310Correct Answer: 1/√3Solution: Cotangent is t..
Question: What is the variance of the numbers: 5, 5, 5, 5? (2023)Options: 0123Correct Answer: 0Exam ..
Question: Calculate the variance for the following data: 3, 7, 7, 19. (2022)Options: 20253035Correct..
Question: If the mean of a data set is 50 and the variance is 25, what is the standard deviation? (2..
Question: The scores of five students are: 20, 22, 24, 26, 28. What is the variance? (2020)Options: ..
Question: Which algorithm is typically used for finding connected components in a graph?Options: Dij..
Question: What is a disadvantage of using DFS compared to BFS?Options: DFS uses more memory than BFS..
Question: In a depth-first search, what happens when a node is visited?Options: It is added to the q..
Question: Which traversal method would you use to check if a graph is bipartite?Options: DFSBFSBoth ..
Question: Which of the following statements about BFS is true?Options: BFS can be implemented recurs..
Question: What is a common application of DFS?Options: Finding the shortest path in a weighted graph..
Question: Which data structure is used to implement BFS?Options: StackQueueLinked ListArrayCorrect A..
Question: In which scenario is BFS preferred over DFS?Options: When the graph is very deep and solut..
Question: What is the primary difference between BFS and DFS in graph traversal?Options: BFS uses a ..