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JEE Main & Advanced AIEEE Solved Paper-2012

  • question_answer
    If 100 times the 100th term of an AP with non zero common  difference equals the 50 times its 50th term, then the 150th term of this AP is :   AIEEE  Solved  Paper-2012

    A) -150                                          

    B) 150 times its 50th term

    C)  150                                          

    D) zero

    Correct Answer: D

    Solution :

                 \[100(a+99d)=50(a+49d)\] \[2a+198\,d=a+49\,d\] \[a+149d=0\] \[{{T}_{150}}=a+149\,\,d=0\]


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