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SSC Sample Paper SSC CGL - Sample Paper-18

  • question_answer
    Which team of the sequence 7, 10, 13,... is 151?

    A) 29th                             

    B) 19th

    C) 59th                             

    D) 49th

    Correct Answer: D

    Solution :

    Let the nth tfinn =151 Here, first term = a = 7 Common difference = d = 3 \[\therefore \]      \[{{T}_{n}}=a+(n-1)d\] \[\Rightarrow \]   \[151=7+(n-1)\times 3\] \[\Rightarrow \]   \[(n-1)\times 3=144\] \[\Rightarrow \]   \[n-1=\frac{144}{3}=48\] \[\Rightarrow \]   \[n=49th\]


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