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    Question

    0.3 × 0.2 + 0.4 × 0.3 + ? =

    413.18 What will come in the place of question mark (?) in the following given questions: 
    A 403 Correct Answer Incorrect Answer
    B 443 Correct Answer Incorrect Answer
    C 423 Correct Answer Incorrect Answer
    D 413 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    0.3 × 0.2 + 0.4 × 0.3 + ? = 413.18 0.06 +0.12 +?  = 413.18 0.18 + ? = 413.18 ? = 413.18 - 0.18 = 413

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