Exams › IBPS PO › Quantitative Aptitude

What approximate value will come in the place of the question mark (?) in the following equation? $19.89\%$ of $299.648 + 71.88 = ? \times \sqrt{15.99}$

1. 24
2. 33
3. 30
4. 36

Correct answer: 33

Solution

This is an approximation question. Take $19.89\% \approx 20\%$, $299.648 \approx 300$, $71.88 \approx 72$, and $\sqrt{15.99} \approx 4$. Then the left side becomes $20\%$ of $300 + 72 = 60 + 72 = 132$, so $? \approx 132/4 = 33$.

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