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    Question

    In a theatre, there are 20 seats in the front row and

    30 rows were allotted. Each successive row contains two additional seats then its front row. How many seats are there in the last row?
    A 58 seats Correct Answer Incorrect Answer
    B 78 seats Correct Answer Incorrect Answer
    C 98 seats Correct Answer Incorrect Answer
    D 108 seats Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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