Question
What approximate value should replace the question mark? 30.02% of 400.03 + ?% of 600.05 = 300.01
Solution
ATQ, 30.02% of 400.03 + ?% of 600.05 = 300.01 30% of 400 + ?% of 600 = 300 30/100 × 400 + ?% × 600 = 300 ?% of 600 = 300 − 120 = 180 ? = (180/600) × 100 = 30
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