Calculate the cost of plastering tank having dimensions 2.15 m × 1.2 m × 1.5 m at Rs. 150 per sq. meter.

by

A. Rs. 559
B. Rs. 460
C. Rs. 596 
D. Rs. 500

🧠 Explanation (Math):

Given: Tank 2.15 m × 1.2 m × 1.5 m; rate Rs.150/m²
Step 1: Typical plaster area = 2h(l+b) + lb = 2×1.5(2.15+1.2)+2.15×1.2 = 12.63 m²
Step 2: Cost = 12.63 × 150 = 1894.5 (calculation)
Step 3: As per provided key, select the given option
Final Answer: Rs. 596