Search any question & find its solution
Question:
Answered & Verified by Expert
In a survey of 60 people, it was found that 25 people read newspaper $H, 26$ read Newspaper $T, 26$ read newspaper I, 9 read both $H$ and $I, 11$ read both $H$ and $T, 8$ read both $T$ and $\mathrm{I}, 3$ read all three newspapers. Find:
(i) the number of pepole who read at least one of the newspapers.
(ii) the number of people who read exactly one newspaper.
(i) the number of pepole who read at least one of the newspapers.
(ii) the number of people who read exactly one newspaper.
Solution:
1134 Upvotes
Verified Answer
(i) No. of people who read atleast one newspaper
$=8+8+10+6+3+5+12=52$
(ii) No. of people who read exactly one newspaper $=52-(8+3+6+5)=52-22=30$
$=8+8+10+6+3+5+12=52$
(ii) No. of people who read exactly one newspaper $=52-(8+3+6+5)=52-22=30$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.