Question

    (15.99)2 + 219.98% of 20.01 = ?2

    × 75.01% 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.)
    A 65 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 35 Correct Answer Incorrect Answer
    D 85 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, (15.99)2 + 219.98% of 20.01 = ?2 × 75.01% 162 + 20% × 220 ~ ?2 × (3/4) ?2 × (3/4) ~ 256 + 44 ?2 ~ 300 × (4/3) ? ~ √400 ? ~ 20

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