Q16 of 76 Page 5

Find the volume of a cube whose surface area is 384m².

Surface area of cube = 384 m² (Given)

Let length of each edge of cube = a metre

Volume of cube =

What happens to the cube of a number if the number is multiplied by

(i) 3?

(ii) 4?

(iii) 5?

Find the value of a cube, one face of which has an area of 64m².

Evaluate the following:

(i)

(ii)

Write the units digit of the cube of each of the following numbers:

31, 109, 388, 4276, 5922, 77774, 44447, 125125125

Find the volume of a cube whose surface area is 384m2.