Solved papers for JEE Main & Advanced JEE Main Online Paper (Held on 9 April 2013)

done JEE Main Online Paper (Held on 9 April 2013) Total Questions - 1

• question_answer1)                 The sum of the series:                 \[1+\frac{1}{1+2}+\frac{1}{1+2+3}+...........\] up to 10 terms, is:          JEE Main Online Paper (Held On 09 April 2013)         
  A)
                  \[\frac{18}{11}\]                
  done clear
  B)
                  \[\frac{22}{13}\]                
  done clear
  C)
                  \[\frac{20}{11}\]                
  done clear
  D)
                  \[\frac{16}{9}\]                
  done clear
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