Question

Two numbers are in a ratio 4:5. If difference of their cubes 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.

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Answer 2

Answer: Secondary SchoolMath 5+3 pts

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

Answers

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.

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