Maths / Cube and Cube Roots / Properties of Cubes of Numbers
Which of the following options is INCORRECT ?
Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. The numbers will be 5, 10, 15.
The digit in the units place for the cube of a four digit number of the form xyz8 is 2.
The smallest number by which 3600 be divided to make it a perfect cube is 450.
None of these
Right Option : D
| Explain Type||Explanation Content|
(A) Let the numbers be x, 2x and 3x Sum of cubes of the numbers = 4500
Required numbers are 5, 10 and 15.
(B) Since the unit's place of xyz8 is 8.
Unit's place digit of cube xyz8 is 2.
To make it a perfect cube, it must be divided by
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)