Question

If     = 4 then   = ?

A 120 Correct Answer Incorrect Answer
B 194 Correct Answer Incorrect Answer
C 207 Correct Answer Incorrect Answer
D 501 Correct Answer Incorrect Answer

Solution

If   = N then   = N2 -2 So,   = 42-2 = 14 Hence,     = 142-2 = 196-2 = 194

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