Fun with Numbers
21 solved questions from Class 3 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 'Fun with Numbers' (Class 3 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Fun with Numbers'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Fun with Numbers'? medium MCQ Problem Solving & Optimization
- 14 Find the value of (3^2 + 4^2) × 2^2. hard 3 marks Exponentiation and multiplication
- 15 What is 5 + 9 + 6? easy MCQ 1 mark Basic addition of single‑digit numbers
- 16 If a number is multiplied by 3 and then 12 is subtracted, the result is 15. What is the number? medium 2 marks Solving a simple linear equation
- 17 A rectangle has length 12 cm and breadth 5 cm. Find its perimeter. medium 2 marks Perimeter of a rectangle
- 18 What is the sum of 14, 16, and 18? easy MCQ 1 mark addition of three numbers
- 19 A square garden has a perimeter of 64 cm. What is its area in square centimeters? hard 3 marks perimeter and area of a square
- 20 If each pack contains 5 stickers and there are 6 packs, how many stickers are there in total? medium 2 marks multiplication of two numbers
- 21 What is the value of 7 × (3 + 4)? medium 2 marks order of operations (parentheses)