Question : The sides of a triangular park are 35 m, 53 m, and 66 m. The cost of levelling the park at the rate of INR 9.25 per m² is:

Option 1: INR 8,584

Option 2: INR 8,547

Option 3: INR 8,621

Option 4: INR 8,510

Question : The sides of a triangular field are 120 m, 170 m and 250 m. The cost of levelling the field at the rate of INR 7.40/m² is:

Option 1: INR 65,120

Option 2: INR 63,640

Option 3: INR 59,200

Option 4: INR 66,600

Question : The internal length of a room is two times its breadth and three times its height. The total cost of painting its four walls at the rate of INR 25/m² is INR 3,600. What is the cost of laying a carpet on its floor at the rate of INR 90.50/m²?

Option 1: INR 6,516

Option 2: INR 7,240

Option 3: INR 5,430

Option 4: INR 5,970

Question : A field is in the form of a circle. The cost of fencing around it at INR 12 per metre is INR 2,640. What is the area (in m²) of the field? (Take $\pi=\frac{22}{7}$)

Option 1: 1,925 m²

Option 2: 3,850 m²

Option 3: 2,772 m²

Option 4: 5,544 m²

Question : The internal length, breadth, and height of a cuboidal room are 12 m, 8 m, and 10 m, respectively. The total cost (in INR) of whitewashing only all four walls of the room at the cost of INR 25 per m², is:

Option 1: 12,600

Option 2: 10,000

Option 3: 11,400

Option 4: 18,000