A carpet is 30 m 75 cm long and 80 cm wide. Find its cost at Rs 150 per square metre.

Find the cost of cultivating a rectangular field 80 m long and 35 m wide at Rs 15 per square metre. Also, find the cost of fencing the field at Rs 24 per metre.

Find the cost of cultivating a rectangular field 34 m long and 18 m wide at Rs. 4.50 per sq. metre. Also, find the cost of fencing the field at Rs. 2.25 per metre.

Find the cost of carpeting a room 17 m long and 9m wide with a carpet 60 cm broad at 40 paise per metre.

A tank with rectangular base and rectangular sides open at the top is to be constructed so that its depth is 3 m and volume is 75 m3. If building of tank costs Rs. 100 per square metre for the base and Rs. 50 per square metres for the sides, find the cost of least expensive tank.

A tank with rectangular base and rectangular sides open at the top is to be constructed so that its depth is 3 m and volume is 75 m3. If building of tank costs Rs. 100 per square metre for the base and Rs. 50 per square metres for the sides, find the cost of least expensive tank.

The length and breadth of a playground are 62m60cm and 25m40cm respectively.Find the cost of turfing it at Rs2.50 per square metre.How long will a man take to go three xx round the field,if he walks at the rate of 2 metres per second?

The cost of carpeting a room 15 m long with a carpet 75 cm wide , at Rs. 70 per metre , is Rs. 8400 .The width of the room is

Find the cost of fencing a rectangular field 260 m long and 175 m wide at Rs 40 per metre.

A closed box (cuboid) with a square base is to have a volume 2000c.c, The material for the top and bottom of the box is to cost Rs 3 per square cm and the material for the sides is to cost Rs 1.50 per square cm. If the cost of the material is to be least find the dimension of the box.