Sets Relations And Functions Question 94
Question: Which of the following is true?
Options:
A) $ a\in {{a},b} $
B) $ {b,c}\subset {a,{b,c}} $
C) $ {a,b}\subset {a,{b,c}} $
D) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
- [d]a is not an element of $ {{a},b} $
$ \therefore a\notin {{a},b} $ $ {b,c} $ is the element of $ {a,{b,c}} $
$ \therefore {b,c}\in {a,{b,c}} $ $ b\in {a,b} $ but $ b\notin {a,{b,c}}. $
$ \therefore {a,b}\not\subset {a,{b,c}} $
BETA
