cube and cube roots olq

10584 is a perfect cube

• True

• False

Ravi made a cuboid of plasticine of dimensions 12cm, 8cm and 3cm. How many minimum number of such cuboids will be needed to form a cube?

• 24

• 28

• 32

• 6

Express 5³ as the sum of odd numbers.

• 13 + 15 + 17 + 19 + 21

• 15 + 17 + 19 + 21 + 23

• 21 + 23 + 25 + 27 + 29

• 31 + 33 + 35 + 37 + 39

Find the value of ∛0.000064

• 0.004

• 0.02

• 0.04

• 0.2

Three numbers are in the ratio 1:2:3. The sum of their cubes is 98784. How do you find the numbers?

• 16, 32, 48

• 9, 18, 27

• 12, 24, 36

• 14, 28, 42

Which among the following is the greatest?

• ∛(166375/343)

• ∛(729/8)

• ∛(2197/729)

• 729

• 576

• 25

• 12448

• 3/5

• 84/65

• 5/13

• 9/65

Find the smallest number by which 11979 should be multiplied to get a perfect cube.

• 2

• 3

• 11

• 13

A perfect cube does not end with two zeros.

• True

• False