Question : Directions: In the following question, select the related number from the given alternatives.
36 : 50 :: 64 : ?
Option 1: 78
Option 2: 70
Option 3: 72
Option 4: 82
Correct Answer: 82
Solution :
Given:
36 : 50 :: 64 : ?
Like, 36 : 50→6
2
= 36; (7
2
) + 1 = 49 + 1 = 50
Similarly, for 64 : ?→8
2
= 64; (9
2
) = 81 + 1 = 82
So, 64 is related to 82. Hence, the fourth option is correct.
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