Question
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 74.92% of 839.92 + ?% of 479.83 = 24.31² + 86.81 X 2.11Â
Solution
74.92% of 839.92 + ?% of 479.83 = 24.31² + 86.81 X 2.11 75% of 840 + ?% of 480 ~ 24² + 87 X 2 75% of 840 + ?% of 480 ~ 24² + 87 X 2 630 + (?/100) X 480 ~ 576 + 174 630 + (?/10) X 48 ~ 750 (?/10) X 48 ~ 120 ? ~ (120 X 10) /48 ? ~ 25
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