Question 1: Find the cubes of:

(i) (ii) (iii) (iv) (v) (vi) (vii) (viii)

Answer:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

Question 2: Test whether the given number is a perfect cube or not:

(i) (ii) (iii) (iv)

Answer:

(i) (hence a perfect cube)

(ii) (hence not a perfect cube)

(iii) (hence not a perfect cube)

(iv) (hence a perfect cube)

Question 3: Find the smallest number by which must be multiplied so that the product is a perfect cube.

Answer:

Therefore multiply the number by for it to be a perfect cube.

Question 4: Find the smallest number by which must be divided so that the quotient is a perfect cube.

Answer:

Hence divide the number by so that the quotient is a perfect square.

Question 5: Find the cube root of:

(i) (ii) (iii) (iv)

(v) (vi) (vii) (viii)

Answer:

(i) Therefore the cube root of is

(ii) Therefore the cube root of is

(iii) Therefore the cube root of is

(iv) Therefore the cube root of is

(v) Therefore the cube root of is

(vi)

Therefore the cube root of

(vii)

Therefore the cube root of is

(viii)

Therefore the cube root of is

Question 6: Evaluate:

(i) (ii)

(iii) (iv)

Answer:

(i)

(iii)

(iv)