Story
NEET AITS
Story
Mock Tests
Story
Live Class
Story
JEE AITS

Questions  

Set A and B have 3 and 6 elements respectively. What can be the minimum number of elements in AB

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
a
3
b
6
c
9
d
18

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is B

n(A∪B)=n(A)+n(B)-n(A∩B)=3+6-n(A∩B)Since, maximum number of elements in A∩B=3∴Minimum number of elements in A∪B=9-3=6.
ctaimg

ctaimg

Similar Questions

In a class of 30 pupils, 12 take needle work, 16 take physics and 18 take history. If all the 30 students take at least one subject and no one takes all three then the number of pupils taking 2 subjects is

Want to Improve your productivity
talk to our academic experts now !!

counselling
india
+91

whats app icon