Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) If the sum\[\frac{3}{{{1}^{2}}}+\frac{5}{{{1}^{2}}+{{2}^{2}}}+\frac{7}{{{1}^{2}}+{{2}^{2}}+{{3}^{2}}}+.......+\]up to 20 terms is equalto\[\frac{k}{21},\]then k is equal to:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  120        
  done clear
  B)
  180
  done clear
  C)
  240                                        
  done clear
  D)
  60
  done clear
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