Q1 of 6 Page 116

Find the smallest number by which 8640 must be divided so that the quotient is a perfect cube?


Hence, 8640 = 23 × 23 × 33 × 5


Hence, 8640 must be divided by 5 at least to get a perfect cube


8640 ÷ 5 = 1728


And


More from this chapter

All 6 →
2

Find the cube root of 4913, 12167, and 32768 by estimation.

 3

Write cubes of all natural numbers b/w 1 to 10 and observe pattern.

 4

Find the cube root of 91125 using estimation.

 5

Difference of two perfect cubes is 189. If the cube root of the smaller of two numbers is 3 find the cube root of the larger number.