Question
Download Solution PDFComprehension
Directions: Consider the following Venn diagram, where X, Y and Z are three sets. Let the number of elements in Z be denoted by n(Z). which is equal to 90.
If the number of elements in Y and Z are in the ratio 4 : 5, then what is the value of b?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation:
Given: n(Z) = 90 and the number of elements in Y and Z are in the ratio 4 : 5
To find: b = ?
n(Y) = 16 + 18 + 17 + b
n(Z) = 12 + 18 + 17 + c = 90
Hence, option (3) is correct.
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