Select the option in which numbers are related in the same way as are the numbers of following set. 93  :  87

53 : 49 55 : 47 83 : 78 98 : 85

83 : 78

93 : 87   →   93 – (9 – 3)  =  93 – 6  =  87 Similarly, 83 : 78   →   83 – (8 – 3)  =  83 – 5  =  78