Exams › IBPS PO › Quantitative Aptitude

What will come in the place of the question mark (?) in the following equation? \[ \frac{5}{4}\text{ of }36 + \frac{9}{4}\text{ of }44 = ?^2 \]

1. 12
2. 144
3. 14
4. 16

Correct answer: 12

Solution

Compute \(\frac{5}{4}\times 36=45\) and \(\frac{9}{4}\times 44=99\). Their sum is \(45+99=144\), so \(?^2=144\). Therefore, \(?=12\).

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