The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn?\n1. The number of persons who read both the magazines is twice the number of persons who read only magazine X.\n2. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines.
Correct Option: (D) Neither 1 nor 2
Given conditions lead to a contradiction. If x people read X only and y people read Y only: x=3y and y=3x. This means x=9x, which is impossible unless x=0.
हिंदी में प्रश्न एवं आदर्श उत्तर
The number of persons who read magazine X only is thrice the number of persons who read magazine Y. The number of persons who read magazine Y only is thrice the number of persons who read magazine X. Then, which of the following conclusions can be drawn?\n1. The number of persons who read both the magazines is twice the number of persons who read only magazine X.\n2. The total number of persons who read either one magazine or both the magazines is twice the number of persons who read both the magazines.
सही उत्तर: (D) Neither 1 nor 2
Given conditions lead to a contradiction. If x people read X only and y people read Y only: x=3y and y=3x. This means x=9x, which is impossible unless x=0.