Select the option that is related to the third number in the same way as the second number is related to the first number. 56 : 30 :: 78 : ?

46 41 50 53

41

56 : 30 :: 78 : ? The logic Followed here is : 56 : 5 × 6 56 : 30 Similarly 78 : ? 78 : (7 × 8 ) 78 : 56