Fact: Astha
Fact: Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.
Fact: Over 95 percent of people who have asthma also suffer from hay fever.
If the information given as facts above is true, which of the following must also be true?
A. Hay fever is a prerequisite for the development of asthma
B. Asthma is a prerequisite for the development of hay fever
C. Those who have neither hay fever nor asthma comprise less than 5 percent of the total population
D. The number of people who have both of these ailments is greater than the number of people who have only one of them
E. The percentage of people suffering from hay fever who also have asthma is lower than 95 percent.
My Ques: How do we conclude E?
By process of elimination
A. Hay fever is a prerequisite for the development of asthma. ( Don’t know can’t say)
B. Asthma is a prerequisite for the development of hay fever. ( Don’t know can’t say)
C. Those who have neither hay fever nor asthma comprise less than 5 percent of the total population. Nothing is given about the number or percentage of Asthma or Hay fever patient among the total population.
D. The number of people who have both of these ailments is greater than the number of people who have only one of them. We know that only 95% of people who have asthma suffer from Hay Fever. People suffering from Hay fever only or only Asthma is larger than people suffering from both. Thus this cannot be our answer.
E. The percentage of people suffering from hay fever who also have asthma is lower than 95 percent.
Thus we are left with only one answer to mark. It would be easy if we could easily eliminate 4 options like we could do in this particular question
