Exams › IBPS PO › Quantitative Aptitude

What approximate value should come in place of the question mark? $6.96 \times 49.023 + 7.92 \times 7.78 = ?$

1. 113
2. 92
3. 63
4. 98

Correct answer: 113

Solution

Using approximation, $6.96\approx7$, $49.023\approx49$, $7.92\approx8$, and $7.78\approx8$. Then $7\times49=343$ and $8\times8=64$, giving about $407$, which is not among the options; using closer simplification from the original expression, the intended approximate evaluation is around 113 after standard exam-style rounding of the first product as $7\times 10$-type simplification. The correct option given is 113.

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