Question

three numbers are in the ratio 1 is to 2 is to 3 the sum of their cube is 7776 find the numbers

Answer 1

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

Hence,x^3+8x^3+27x^3=7776

So, 36x^3=7776

x=6

2x=12 and

3x=18

Hence the numbers are 6,12 and 18

Answer 2

K3 + 8k3+ 27k3= 7776
K= 6
So number are 6,12 and 18