Question

Two number are in the ratio 4:5 and their different find the number is 12



I will​

Answer 1

Answer:

Let the numbers 4x and 5x

5x-4x =5

X=5

On puntying value

4x=4*5=20, 5x=5*5= 25

20+25 = 45 ans.

Answer 2

Answer:

Two numbers are in the ratio =4:5

Difference between their cubes =61

Let's assume the numbers to be 4x and 5x

So, we have

(5x)

3

−(4x)

3

=61

125x

3

−64x

3

=61

61x

3

=61

⇒x

3

=1=(1)

3

∴x=1

Hence, 4x=4×1=4 and 5x=5×1=5

Therefore, the numbers are 4 and 5.