16. The diagonal of a cube is 43 cm long. Find its volume.
a. 8 cm3
b. 16 cm3
c. 27 cm3
d. 64 cm3
Answer: d. 64 cm3
17. A square of side 8 m if cut from the four corners of a rectangular cardboard sheet whose dimensions are 48 m * 36 m. This is done as the artist wants to make a box from this cardboard sheet. What is the volume of the formed hence formed?
a. 4830 m3
b. 5120 m3
c. 6420 m3
d. 8960 m3
Answer: b. 5120 m3
18. A cylindrical tank can hold 61.6 cm3 water. The cylinder is 40 cm high with outer diameter as 16 mm. Find the thickness of the material used to make this cylinder.
