Question

3 numbers are in the ratio 2 : 5 : 7 if 7 is subtracted from the middle the resulting number is the AP find the number​

Answer 1

Hey mate here is ur answer---

Let the ratio number be 2x, 5x ,7x

7 is subtracted from middle so,

2x, 5x-7, 7x (Now they are In AP)

so,

2(5x-7)=2x+7x

10x-14=9x

10x-9x=14.

x=14..So will put this x value in(2x,5x-7,7x)

so,

28, 63, 98,....Ans

Number is 28, 63, 98....