NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and SolutionsQuestion 106
Class 7 - Mathematics - Unit 9: Perimeter and Area - Problems and Solutions
Question. 106
Room = 4.5 × 4 m. Tiles = 15 × 10 cm. Cost = ₹4.5 per tile.
Answer:
₹5400
Detailed Answer with Explanation:
Room area = 18 m² = 180000 cm².
Tile area = 150 cm². Number = 1200.
Cost = 1200 × 4.5 = ₹5400.