passed in all five subjects    =   5583
 passed in three subjects only  =   1400
 passed in two subjects only    =   1200
 passed in one subject only =   735
 failed in English only =   75
 failed in Physics only =   145
 failed in Chemistry only   =   140
 failed in Mathematics only =   200
 failed in Bio-science only =   157

 The number of students passed in at least four subjects is :

  (1)   6300    (2) 6900    (3) 7300    (4) 7900