Answer :
24 : -6 = 24/-6 = -4
-16 : -4 = -16/-4 = 4
-32 : -8 = -32/-8 = 4
-20 : -5 = -20/-5 = 4
-48 : -12 = -48/-12 = 4
All except A have value of 4
-16 : -4 = -16/-4 = 4
-32 : -8 = -32/-8 = 4
-20 : -5 = -20/-5 = 4
-48 : -12 = -48/-12 = 4
All except A have value of 4