Cubes and Cube Roots
25 solved questions from Class 8 Mathematics, each with the full working. Tap any question to see the step-by-step solution.
- 1 Solve the expression: 15 + 25 × 2. medium MCQ BODMAS Rule
- 2 Find the area of a rectangle with length 8 cm and breadth 5 cm. medium MCQ Area of Rectangle
- 3 What is the volume of a cube with edge 3 cm? medium MCQ Volume of Cube
- 4 Find the 10th term of AP: 2, 7, 12, ... medium MCQ Arithmetic Progression
- 5 Distance between points (0,0) and (6,8) is: medium MCQ Distance Formula
- 6 Find surface area of a sphere with radius 7 cm (π = 22/7). medium MCQ Surface Area of Sphere
- 7 If perimeter of a circle is equal to that of a square, find ratio of their areas. medium MCQ Areas Related to Circles
- 8 What is the nth term of an AP with first term a and common difference d? medium MCQ Arithmetic Progression
- 9 Coordinates of midpoint of line joining (x₁, y₁) and (x₂, y₂) is: medium MCQ Midpoint Formula
- 10 Find the value of (2⁰ + 3⁰) × 5⁰. medium MCQ Exponent Laws
- 11 What is the domain, range, or fundamental theorem introduced in 'Cubes and Cube Roots' (Class 8 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Cubes and Cube Roots'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Cubes and Cube Roots'? medium MCQ Problem Solving & Optimization
- 14 Find the real solution of the equation x^3-27=0. medium MCQ 2 marks Solving cubic equations
- 15 Find the cube root of 1728. Write the answer as an integer. easy 1 mark Cube root calculation
- 16 Determine the volume of a cube whose total surface area is 432,cm^2. medium 3 marks Volume from surface area
- 17 A warehouse has a cube-shaped storage space with each side measuring 4 m. This space is to be completely filled with identical small cubes, each having a side length of 2 cm. How many of these small cubes can fit inside the warehouse? hard 5 marks Unit conversion and volume calculation
- 18 A cube has a volume of 4913 cm³. What is its total surface area? hard 4 marks Surface area from volume
- 19 A cube has a total surface area of 600 cm². Which of the following is its volume? easy MCQ 2 marks Cube surface area to volume
- 20 A large cube with edge length 2.4 m is to be completely filled with identical small cubes, each having a side length of 6 cm. How many small cubes are needed? medium 3 marks Packing small cubes in larger cube
- 21 The sum of the lengths of all 12 edges of a cube is 84 cm. Find the volume of the cube. hard 3 marks Volume from sum of edges
- 22 A cube has a total surface area of 384 cm^2. Which of the following is its volume? easy MCQ 1 mark Cube surface area and volume
- 23 A cube has a volume of 1728 cm^3. Find its total surface area. medium 2 marks Cube volume to surface area conversion
- 24 The sum of the lengths of all 12 edges of a cube is 132 cm. Find the cube’s volume. medium 3 marks Edge length from sum of edges to volume
- 25 A large cube with edge length 3.6 m is to be completely filled with identical small cubes, each having a side length of 3 cm. How many small cubes are needed? hard 5 marks Unit conversion and cubic packing