Question

Three numbers are in the ratio of 2:3:5.If the sum of their cubes is1280, find the three numbers.
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Answer 1

Answer:

• 4,6,10

Step-by-step explanation:

Assume the numbers to be 2x, 3x, 5x...

8 $x^{3}$ + 27 $x^{3}$ + 125 $x^{3}$ = 1280

160 $x^{3}$ = 1280

$x^{3}$= 1280/160 = 8

X= 2

Numbers:

• 2X= 2X2= 4
• 3X= 6
• 5X= 10