Q1. If X and Y are two sets such that n ( X ) = 17, n ( Y ) = 23 and n ( X Y ) = 38, find n ( X Y ).
n( X ) = 17, n( Y ) = 23 and n( X Y ) = 38
n( X Y ) = n( X ) + n( Y ) - n ( X Y )
38 = 17 + 23 - n ( X Y )
n ( X Y ) = 40 - 38
n ( X Y ) = 2.
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now