Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 May 2012)

done JEE Main Paper (Held On 19 May 2012) Total Questions - 2

• question_answer1) If \[n{{=}^{m}}{{C}_{2}},\]then the value of \[^{n}{{C}_{2}}\] is given by     JEE Main  Online Paper (Held On 19  May  2012)
  A)
  \[3{{(}^{m+1}}{{C}_{4}})\]           
  done clear
  B)
                         \[^{m-1}{{C}_{4}}\]
  done clear
  C)
                         \[^{m+1}{{C}_{4}}\]                       
  done clear
  D)
                         \[2{{(}^{m+2}}{{C}_{4}})\]
  done clear
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• question_answer2) The number of arrangements that can be formed from the letters a, b, c, d, e, /taken 3 at a time without repetition and each arrangement containing at least one vowel, is     JEE Main  Online Paper (Held On 19  May  2012)
  A)
  96                                          
  done clear
  B)
                         128
  done clear
  C)
                         24                                          
  done clear
  D)
                         72
  done clear
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