Surface area, volume and area of 2D shapes

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet, determine the cost of sheet for making the box, if a sheet measuring 1m² costs Rs 20.

• Rs. 109

• Rs.146.50

• Rs. 24.375

• Rs. 100

• 262 cu. units

• 280 cu. units

• 280 sq. units

• 250 cu. units

The perimeter of the shape drawn above is

• 480 m

• $240+120\pi$

• $120+240\pi$

• $240\pi$

• 240cm²

• 720cm²

• 360cm²

• 420cm²

• 301.1 sq units.

• 201.1 sq units.

• 401.1 sq units.

• 251.1 sq units.

Find the volume of the swimming pool above.

• 653.5 m³

• 563.5 cm³

• 563.5 m³

• 563.5 litre

Find the surface area of the figure above.

• 887.01 cm²

• 188.7 cm²

• 1088.7 cm²

• 2188.7 cm²

The length of cube B is 3 times the length of cube A. How many times larger is the volume of cube B than that of cube A?

• 8 times

• $\frac{1}{8}$ times

• $\frac{1}{27}$ times

• 27 times

A cubical container was completely filled with oil. All the oil was then poured into a larger rectangular container, 30 cm by 10 cm by 24 cm, filling 81% of it. What is the length of the cubical container?

• 7200 cm

• 15 cm

• 18 cm

• 25 cm

Find the perimeter of the shape above

• 28 km

• 14 km²

• 14 km

• 1.4 km