Smart Charts
24 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 'Smart Charts' (Class 3 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Smart Charts'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Smart Charts'? medium MCQ Problem Solving & Optimization
- 14 Using the 5‑5‑5 smart chart, find the sum of 27 and 38. easy 1 mark Smart chart addition
- 15 Using the 25‑25‑25 smart chart, compute 4 × 25. medium 2 marks Smart chart multiplication
- 16 Using the 10‑10‑10 smart chart, what is 73 + 56? medium MCQ 3 marks Smart chart addition of multi‑digit numbers
- 17 Using the 5‑5‑5 chart, 10‑10‑10 chart, and 1‑1‑1 chart, find the sum of 84, 57, and 23. hard 4 marks Smart chart multi‑digit addition
- 18 Using the 5‑5‑5 smart chart, find the sum of 36, 29, and 18. easy 2 marks Smart Chart addition
- 19 Using the 10‑10‑10 smart chart, what is 47 + 39? easy MCQ 2 marks Smart Chart addition
- 20 Using the 1‑1‑1 smart chart, find the sum of 154, 89, and 67. hard 4 marks Smart Chart addition
- 21 Using the 25‑25‑25 chart, calculate 6 × 25. medium 3 marks Smart Chart multiplication
- 22 Using the 25‑25‑25 smart chart, find 9 × 25. medium 2 marks 25‑25‑25 chart multiplication
- 23 Using the 10‑10‑10 smart chart, what is 23 + 38? easy 1 mark 10‑10‑10 chart addition
- 24 Using the 1‑1‑1 smart chart, find the sum of 124, 57, and 89. hard 3 marks 1‑1‑1 chart addition