2. Questions Bank
  3. JEE Main & Advanced
  4. Mathematics
  5. Sequence & Series

JEE Main & Advanced Mathematics Sequence & Series Question Bank Self Evaluation Test - Sequences and Series

  • question_answer
    If mth terms of the series 63+65+67+69+........... and 3+10+17+24+..........be equal, then m=

    A) 11

    B) 12   

    C) 13

    D) 15

    Correct Answer: C

    Solution :

    [c] Given series 63 + 65 + 67 + 69?..     ?.(i) and 3 + 10 + 17 + 24+?.                   ?.(ii) Now from (i), mth term = (2m + 61) and mth term of (ii) series = (7m - 4) Under condition \[\Rightarrow 7m-4=2m+61\Rightarrow 5m=65\Rightarrow m=13\].


You need to login to perform this action.
You will be redirected in 3 sec spinner