Answer:
5000 rupees
Explanation:
Given the following :
Dimension of room = 5m × 2.5m
Cost of granite = 600 rupees per square meter
Cost of marble = 1000 rupees per square meter
Additional cost of using marble instead of granite :
Area of room = Area of rectangle = Length * width
Area of room = 5m × 2.5m = 12.5m^2
Cost of using granite:
Area of room × cost of granite per square meter
12.5 × 600 = 7500 rupees
Cost of using marble:
Area of room × cost of marble per square meter
12.5 × 1000 = 12,500 rupees
Difference in cost :
(12500 - 7500) rupees = 5000 rupees
Additional cost incurred if marble is used = 5000 rupees