Exams › IBPS PO › Quantitative Aptitude
What should come in place of the question mark (?)? \(\sqrt{4489} + (71)^2 - (?)^2 = 2707\)
- 39
- 43
- 51
- 49
Correct answer: 49
Solution
We have \(\sqrt{4489} = 67\) and \((71)^2 = 5041\). So, \(67 + 5041 - (?)^2 = 2707\), which gives \((?)^2 = 2401\). Therefore, \(?) = 49\).
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