4 : 19 :: 7 : ?

by AdminX

4 : 19 :: 7 : ?

A. 52
B. 49
C. 28
D. 68

Answer & Solution

Answer: Option A
Solution:

As, (4)2 + 3 = 19
Similarly, (7)2 + 3 = 52

4 : 19 :: 7 : ?

 

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