siddhanta

if there are 40 question and each question carrying 5 marks and each wrong attempt can deduct 3 marks. if someone secured 70 marks then how many question he has attempted

(b)attempted question=22 left question=3 since the maximum mark can be obtained from attempted questions. total mark can be obtained=22*4=88 since he has secured 55;so lost mark=88-55=33 since three question he has left;so three must be deducted from atte...