• A occurs only if either B or C occurs.
• B occurs only if both D and E occur.
• F occurs only if C does not occur
• G occurs only if both A and F occur

o F never occurs
o G does not occur if D does not occur
o A occurs whenever F occur
o None of these

• g doesnt occur if d doesnt occur
  coz suppose if d doesnt occur then b doesnt occur
  nd g occurs only if both a n f occur
  suppose if f occur then c doesnt occur
  coz b n c both dont occur so A doesnt occur
  
  nw suppose if A occurs then c should occur n if c occurs then f doesnt occur
  so 2nd is right one
  
• 10 years agoHelpfull: Yes(5) No(1)
• . B + C -> A occur
  . D . E -> B occur
  . !C -> F occur
  . A . f = G occur
  
  now going to second option
  if D doesnt occur means N doesnt occur statement 2
  now from statement 1 two case
  (i) C occur ; A occur ; F doesnt occur(statement 3) ; from statement 4 A.F=0
  (ii) C doesnt occur ; A doesnt occur ; F occur(statement 3) ; from statement 4 A.F=0
  in both case we get A.F=0=G
  so option B
  
  
  
• 10 years agoHelpfull: Yes(2) No(0)
• G doesnot occur if D doesnot occur
  
• 10 years agoHelpfull: Yes(0) No(0)
• thnks @bhargavi and @aayushi
• 10 years agoHelpfull: Yes(0) No(0)
• none of these coz a can occur even if b doesnot occur
• 10 years agoHelpfull: Yes(0) No(0)
• none of these
  option c is possible but no surity(as no surity of occreing b)
• 10 years agoHelpfull: Yes(0) No(0)