Question

Two numbers are in the ratio 4:5. If difference of their cube is 61, find the numbers.

Answer 1

Let the numbers be 4x and 5x.
As per given condition we have,
(5x)³-(4x)³=61

125x³-64x³=61

61x³=61

x³=61/61

x³=1

x=1
Now,
4x=4×1=4
5x=5×1=5


Hence required numbers are 4 and 5.

Answer 2

Step-by-step explanation:

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