Which of the following are perfect cubes ? (I)4608        (ii) 106480        (iii)166375      (iv) 456533

Explanation

(iii)`166375` is a perfect cube.
`55times55times55=166375`
Hence, `166375` is perfect cube of `55`.

(iv)`456533` is a perfect cube.
`77times77times77=456533`
Hence, `456533` is a perfect cube of `77`.

(i) `4608` is not a perfect cube.
`4608=2xx2xx2xx2xx2xx2xx2xx2xx2xx3xx3`

(ii) `106480` is not a perfect cube.
`106480=2xx2xx2xx2xx5xx11xx11xx11`