A rectangular room is 12 m by 8 m. What is the cost of carpeting it at ₹150 per m²?
- A.₹12,000
- B.₹13,800
- C.₹14,400 ✓
- D.₹15,000
Explanation: Area = 12 × 8 = 96 m². Cost = 96 × 150 = ₹14,400.
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Perimeter & Area
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