Question

Three numbers are in the ratio of 1:2:3. The
sum of their cubes is 121500. The numbers are
(a) 15. 30.45
(c) 7, 14, 21
(b) 30, 45, 15
(d) None of these​

Answer 1

Answer:

Let the ratio constant be x . x , 2x , 3x respectively . => 2x³ = 6750.