Question : A rectangular lawn whose length is twice its breadth is extended by having four semi-circular portions on its sides. What is the total cost (in INR) of levelling the entire lawn at the rate of INR 100 per square metre, if the smaller side of the rectangular lawn is 12 m? (Take $\pi=3.14$)

Option 1: 85,320

Option 2: 78,650

Option 3: 86,540

Option 4: 97,625

Question : A rectangular lawn whose length is twice its breadth is extended by having four semi-circular portions on its sides. What is the total area (in ${m}^2$ ) of the lawn if the smaller side of the rectangle is 12 m? (Take $\pi=3.14$ )

Option 1: 853.2

Option 2: 308.64

Option 3: 444

Option 4: 548.32

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 sides of a triangular park are 60 m, 112 m and 164 m. The cost of levelling the park at the rate of INR 8.50/m² is:

Option 1: INR 18,164

Option 2: INR 17,085

Option 3: INR 17,136

Option 4: INR 18,316

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