A farmer's land is two adjoining trapezoids: T1 with bases 70m & 50m, height 20m; T2 with bases 50m & 30m, height 15m. Land costs ₹60/m2. What is the total land cost?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. ₹1,08,000.
Area of T1 = × (70 + 50) × 20 = × 120 × 20 = 1200 m2
Area of T2 = × (50 + 30) × 15 = × 80 × 15 = 600 m2
Total area = 1200 + 600 = 1800 m2
Total cost = 1800 × 60 = ₹1,08,000