If the cost of tiles is Rs.5 for 50 sq.m, what will be the cost of 400 sq.m:

by

A) Rs.25
B) Rs.35
C) Rs.40
D) Rs.44

🧠 Explanation (Math):

Given: Rs. 5 for 50 sq.m; cost for 400 sq.m?
Step 1: Unit cost = 5/50 = 0.1 per sq.m
Step 2: Cost = 0.1 × 400 = 40
Final Answer: Rs. 40