Exams › IBPS PO › General Awareness

What will come in place of the question mark '?' in the following equation? \[(14)^2 + 179 + (5)^2 = (?)^2\]

1. 20
2. 10
3. 30
4. 40

Correct answer: 20

Solution

Compute the expression: \(14^2 = 196\), \(5^2 = 25\), so the sum is \(196 + 179 + 25 = 400\). Since \((?)^2 = 400\), the value of ? is 20.

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