Fencing a square plot costs ₹40 per metre. If the total fencing cost is ₹6,400, what is the area of the plot?
- A.1,200
- B.1,400
- C.1,600 ✓
- D.1,800
Explanation: Perimeter = 6400 ÷ 40 = 160 m. Side = 160 ÷ 4 = 40 m. Area = 40 × 40 = 1,600 m².
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Perimeter & Area
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