"The sum of   first `q` terms of an   A.P. is 162. The ratio of its 6th term to its 13th term   is
Channel: Doubtnut
Date: 2020-06-28

"The sum of
 
  first `q`
 terms of an
 
  A.P. is 162. The ratio of its 6th term to its 13th term
 
  is `1:2`
 . Find the
 
  first and `15 t h`
 term of the
 
  A.P."