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Question

Which of the following is true?


A

aa,b

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B

b,ca,b,c

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C

a,ba,b,c

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D

None of these

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Solution

The correct option is B

b,ca,b,c


Explanation for the correct option:

The symbol signifies that an element belongs to a set.

The set b,c is an element of the set a,b,c.

So, b,c belongs to the set a,b,c.

Explanation for incorrect options:

Option a) aa,b

Not a but a is an element of the set a,b. The brackets are missing.

So, a does not belong to the set a,b.

Option c) a,ba,b,c

The set a,b is not an element of the set a,b,c. The set b,c is an element of the set a,b,c.

So, a,bdoes not belong to the set a,b,c

Hence, option b) b,ca,b,c is true.


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