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Necessary versus Sufficient Conditions

Quiz by Irina

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19 questions
Show answers
  • Q1
    Being a mammal is a sufficient condition for being human.
    False
    True
    30s
  • Q2
    Being human is a sufficient condition for being a mammal.
    True
    False
    30s
  • Q3
    Being alive is a necessary condition for having a right to life.
    False
    True
    30s
  • Q4
    Being alive is a suffcient condition for having a right to life.
    False
    True
    30s
  • Q5
    If it is true that if P then Q, then P is a sufficient condition for Q.
    False
    True
    30s
  • Q6
    If it is true that if P then Q, then Q is a necessary condition for P.
    False
    True
    30s
  • Q7
    If it is true that if P is not the case, then Q is not the case, then P is a necessary condition for Q.
    True
    False
    30s
  • Q8
    If it is true that if P is not the case, then Q is not the case, then P is a sufficient condition for Q
    False
    True
    30s
  • Q9
    Something is a brother if and only if it is a male sibling. This means that being a male sibling is both necessary and sufficient for something to be a brother.
    False
    True
    30s
  • Q10
    being over five feet tall is a necessary condition, but not a sufficient condition, for riding most roller coasters
    False
    True
    30s
  • Q11
    "You will get an engineering degree only if you pass Professional Ethics" The above statement indicates that passing Professional Ethics is
    a necessary condition for getting an engineering degree
    a sufficient condition for getting an engineering degree
    both necessary and sufficient for getting an engineering degree
    30s
  • Q12
    Having a 98% final average is a _______ condition for receiving an A.
    necessary
    Sufficient
    necessary and sufficient
    30s
  • Q13
    Having a 93% average or above is a __________ condition for receiving an A.
    necessary
    sufficient
    necessary and sufficient
    30s
  • Q14
    Being the President of the United States is a necessary condition for being a politician.
    True
    False
    30s
  • Q15
    Exercise is a ________ condition for staying healthy.
    Necessary
    Both necessary and sufficient
    Sufficient
    Neither necessary nor sufficient
    30s

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