Instructions

What approximate value will come in place of the question mark (?) in the following questions ? (You are not expected to calculate the exact value).

Question 141

432.62 - 269.21 $$\div$$(11.9 % of 78) =?

Solution

Expression : 432.62 - 269.21 $$\div$$(11.9 % of 78) =?

= $$432 - (270 \times \frac{1}{\frac{12}{100} \times 78})$$

= $$432 - (270 \times \frac{100}{936})$$

= $$432 - 29 = 403$$

$$\approx 400$$

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