29. Three numbers are in the ratio 1: 2:3, and the sum of their cubes is 7,776. Find the number
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common factor is x
nos will be 10x, 20x n 30x
equation will be 1000x^3+8000x^3+27000x^3=7776
36000x^3=7776
x^3=7776÷36000
= 7776*1000÷36
= 216*1000
x = 60
x=60, 2x=120, 3x=180
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