Question

Three numbers are in the ratio of 1:2:3 and the sum of their cubes are 121500, find the numbers

Answer 1

Answer:

Let the nos. be x , 2x and 3x.

therefore

x³+(2x)³+(3x)³=121500

x³+8x³+27x³=121500

36x³=121500

x³=121500/36=3375

x=∛3375=15

the nos. are

15

2*15=30

3*15=45