NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and SolutionsQuestion 87
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question. 87
A floor is 4.5 m long and 3.6 m wide. A 6 cm square tile costs ₹23.25. What will be the cost to cover the floor?
Answer:
₹104625
Detailed Answer with Explanation:
Floor area = 4.5 × 3.6 = 16.2 m² = 162000 cm². Tile area = 36 cm². Tiles = 162000 ÷ 36 = 4500. Cost = 4500 × 23.25 = 104625.