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Logical Reasoning

 Quiz 8


8:-  6 : 49 :: 7 : ?

a. 64

b. 63

c. 50

d. 81


Answer:- a. 64


Explanation:-


6 : 49 = 6:(6+1)²= 49


So, 7 : ? = 7 : (7+1)²=81

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