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
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
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.
a. 0.2 mm
b. 0.3 mm
c. 1 mm
d. 2 mm
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.
a. 0.2 mm
b. 0.3 mm
c. 1 mm
d. 2 mm
Answer: c. 1 mm


