Find the approximate value of
27.35 – [16.32 – (273.19 + 281.32) ÷ 2.066]
Solution
Correct Answer: Option B
Follow BODMAS rule to solve this question, as per the order is given below,
Step - 1 - Parts of an equation enclosed in 'Brackets' must be solved first,
Step - 2 - Any mathematical 'Of' or 'Exponent' must be solved next,
Step - 3 - Next, the parts of the equation that contains 'Division' and 'Multiplication' are calculated,
Step - 4 - Last but not least, the parts of the equation that contains 'Addition' and 'Subtraction' should be calculated.
∵ We have to find the approximate value, we can approximate the given expression.
∴ 27.35 ≈ 27, 16.3 ≈ 16, 273.19 ≈ 273, 281.32 ≈ 281, 2.066 ≈ 2
The given expression is,
27.35 – [16.32 – (273.19 + 281.32) ÷ 2.066]
≈ 27 – [162 – (273 + 281) ÷ 2]
= 27 – [256 – 554/2]
= 27 – 256 + 277
= 48
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