Question

1. Which of the following numbers are not perfect cubes?
(i) 128
(ii) 1000
(iii) 100
(iv) 46656
2. Find the smallest number by which each of the following numbers must be multiplied
to obtain a perfect cube.
(1) 243
(ii) 256
(iii) 72
(iv) 675
(v) 100
3. Find the smallest number by which each of the following numbers must be divided to
obtain a perfect cube.
(i) 81
(ii) 128
(iii) 135
(iv) 192
(v) 704
4. Parikshit makes a cuboid of plasticine of sides 5 cm, 2 cm, 5 cm. How many such
cuboids will he need to form a cube?​

Answer 1

Answer:

1 a, 2b,3c, 4 and5 very confuse