Question

    Sushil can type 40 lines in 20 minutes but he leaves 8%

    margin on each line. In how much time he will type 46 pages with 80 lines on each page in which he leaves 25% more margin than before?
    A 45 hours Correct Answer Incorrect Answer
    B 40 hours Correct Answer Incorrect Answer
    C 30 hours Correct Answer Incorrect Answer
    D 35 hours Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Capacity of Sushil = (40 lines)/(20 minutes) × 92% = 1.84 Now, 25% of 8 = 2 Margin % = (8 + 2) = 10% Required time = (80 ×46 ×90%)/1.84 = 1800 minutes = 30 hours

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