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    Question

    7840 pencils were distributed equally among some

    children in such a way that number of pencils each child got was 40% of the total no. of children. Find the no. of pencils each child got.
    A 69 Correct Answer Incorrect Answer
    B 56 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    Let no. of children = x ∴No. of pencils each got = x × 40/100 = 2x/5 As per the question, x × 2x/5 = 7840⇒ x² = 19600 ⇒ x² = 19600 ∴x = √19600 = 140 ∴ No. of pencils each child got = 2x/5 = 280/5 = 56

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