Find which of the following numbers are cubes of rational numbers:

(i)

(ii)

(iii) 0.001331

(iv) 0.04

Show that the following integers are cubes of negative integers. Also, find the integer whose cube is the given integer.

(i) -5832

(ii) -2744000

Find the cube of:

(i) (ii)

(iii) (iv)

(v) (vi)

(vii) 0.3 (viii) 1.5

(ix) 0.08 (x) 2.1

Find the cube roots of the following numbers by successive subtraction of numbers:

1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397,….

(i) 64

(ii) 512

(iii) 1728

Using the method of successive subtraction examine whether or not the following numbers are perfect cubes:

(i) 130

(ii) 345

(iii) 792

(iv) 1331