Q. 6

If n(U) = 38, n(A) = 16, n(A B) = 12, n(B’) = 20, find n(A B).

Answer :

Using the result n(B) + n(B’) = n(U)


n(B) + 20 = 38


n(B) = 38 – 20 = 18


We have, n(A B) = n(A) + n(B) – n(A B)


n(A B) = 16 + 18 – 12


n(A B) = 34 – 12 = 22


Hence, n(A B) = 22.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Special Theory of RelativitySpecial Theory of RelativitySpecial Theory of Relativity42 mins
Special Theory of RelativitySpecial Theory of RelativitySpecial Theory of Relativity47 mins
Foundation | Number Theory Part-1Foundation | Number Theory Part-1Foundation | Number Theory Part-144 mins
Foundation | Number Theory (Part-3)Foundation | Number Theory (Part-3)Foundation | Number Theory (Part-3)43 mins
The Big Bang TheoryThe Big Bang TheoryThe Big Bang Theory29 mins
Big Bang TheoryBig Bang TheoryBig Bang Theory32 mins
The Big Bang TheoryThe Big Bang TheoryThe Big Bang Theory40 mins
Big Bang TheoryBig Bang TheoryBig Bang Theory37 mins
What an Atom holds?What an Atom holds?What an Atom holds?41 mins
Types of Present TenseTypes of Present TenseTypes of Present Tense55 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses