Barisal Board · Mathematics
6 questions · 10 marks each
Scenario: A concept from Algebra is being studied. (a) Define the key term used in "If x + 1/x = 3, then x² + 1/x² = ?". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "7" is unique. [4]
Scenario: A concept from Trigonometry is being studied. (a) Define the key term used in "sin 30° + cos 60° = ?". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "1" is unique. [4]
Scenario: A concept from Geometry is being studied. (a) Define the key term used in "The sum of interior angles of a hexagon is:". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "720°" is unique. [4]
Scenario: A concept from Number Theory is being studied. (a) Define the key term used in "The LCM of 12 and 18 is:". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "36" is unique. [4]
Scenario: A concept from Statistics is being studied. (a) Define the key term used in "The median of 3, 5, 7, 9, 11 is:". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "7" is unique. [4]
Scenario: A concept from Algebra is being studied. (a) Define the key term used in "If x + 1/x = 3, then x² + 1/x² = ?". [1] (b) Explain the underlying principle. [2] (c) Apply it to the given problem and solve. [3] (d) Justify whether the result "7" is unique. [4]