Squares and Square Roots
17 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 'Squares and Square Roots' (Class 8 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Squares and Square Roots'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Squares and Square Roots'? medium MCQ Problem Solving & Optimization
- 14 What is the minimum value of the expression (x-3)^2 + (x+4)^2? medium MCQ 2 marks optimization using squares
- 15 Find the square root of 225. easy 1 mark square root extraction
- 16 If the side of a square is increased by 8 cm, the area increases by 192 cm². What was the original side of the square? medium 2 marks area change due to side increase
- 17 Find the sum of all positive integers less than 200 that are both perfect squares and perfect cubes. hard 3 marks perfect sixth powers