please answer .this question .......

Asked by kirtichawla94 | 6th Mar, 2010, 09:31: AM

Expert Answer:

Let the four numbers be

(a-3d), (a-d), (a+d), (a+3d) 

Here a =8 since total =32

ATQ

(a2-9d2) : (a2-d2) = 7:15

 

(64 - 9d2) : (64-d2) =7:15

Solve to get d

Answered by  | 6th Mar, 2010, 12:35: PM

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