A store sign is a 5 m × 4 m rectangle with a 2 m × 1 m rectangle cut out. Painting cost is ₹180/m2. How much will the painting cost for the exposed area?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ₹3,240.
Outer rectangle area = 5 × 4 = 20 m2
Cutout area = 2 × 1 = 2 m2
Exposed area = 20 – 2 = 18 m2
Cost = 18 × 180 = 3240