1. Find the cubes of: (i) - 11 ration (ii) - 12 (iii) -21 2. Which of the following numbers are cubes of negative integers (ii) - 1056 (iii) — 2197 (iv) - 2744 (v) -42875 3. Show that the following integers are cubes of negative integers. Also, find the integer whose cube is the given integer. (ii) -2744000 (1 - 64 (i) -5832 4. Find the cube of: (vi) 31 4 7 8 12 13 2 (i) (ii) (iii) (iv) (v) 2 9 11 7 8 5 (vii) 0.3 (viii) 1.5 (ix) 0.08 (x) 2.1 5. Find which of the following numbers are cubes of rational numbers: 27 125 (i) (ii) (iii) 0.001331 (iv) 0.04 64 128
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