Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
In a certain population group, 57% of the people have characteristics X and 63% have characteristics Y. If every person in the group has at lest one of the of the two characteristics, then what percent of the people have both X and Y?
In a certain population group, 57% of the people have characteristics X and 63% have characteristics Y. If every person in the group has at lest one of the of the two characteristics, then what percent of the people have both X and Y?
ক)
20%খ)
18%গ)
12%ঘ)
6%Explanation
আমরা জানি , Total=n(A)+n(B)-Both+None বা,100%=57%+63%-Both+0 বা,100%=120%-Both বা,Both=120%-100% বা,Both =20%Related questions
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