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    Question

    Find the missing term in the given series: 40 

              30             ?              870             13880
    A 120 Correct Answer Incorrect Answer
    B 100 Correct Answer Incorrect Answer
    C 155 Correct Answer Incorrect Answer
    D 95 Correct Answer Incorrect Answer

    Solution

    40 x  1² - 10 = 30 30 x  2² - 20 = 100 100 x  3² - 30 = 870 870 x  4² - 40 = 13880

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