Question
620.15 + 1279.98 + ? × (4.79)2 = 149.95% of
1600.14 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.)Solution
ATQ, 620.15 + 1279.98 + ? × (4.79)2 = 149.95% of 1600.14 620 + 1280 + ? × 52 ~ 150% of 1600 1900 + ? × 25 ~ 1.5 × 1600 ? × 25 ~ 2400 - 1900 ? ~ (500 ÷ 25) ? ~ 20
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