Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If 
are sets such that 
. 
and 
, then 
Text Solution
Verified by ExpertsThe correct answer is:
C
We are given:
We are asked: 
?
Step 1: Intersection of nested sets
For nested sets:
The intersection from 
onwards is just 
minus elements unique to later sets.
In increasing sets, all earlier elements remain in later sets. So the intersection is exactly 
.
Step 2: Number of elements in 
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