1.

For any two numbers m , n ; (m+n) : (m-n) : mn = 7: 1: 60 . Find the value of 1/m : 1/n

A. 0.16875
B. 0.33819444444444
C. 0.12777777777778
D. 0.29722222222222
Answer» D. 0.29722222222222


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