Which statement is correct?

  1. a) bag has index column

  2. b) bag permits duplicate element values

  3. c) bag does not permits duplicate element values

  4. d) None


Correct Option: B
Explanation:

To solve this question, the user needs to have knowledge about the concept of a bag data structure. A bag is a collection of unordered elements that may contain duplicates.

Now, let's go through each option and explain why it is right or wrong:

a) bag has index column: This statement is incorrect. A bag is an unordered collection, which means it does not have an index column. Items in a bag are stored in any order.

b) bag permits duplicate element values: This statement is correct. A bag allows duplicate elements to be added to it. For example, a bag can contain two or more items with the same value.

c) bag does not permit duplicate element values: This statement is incorrect. A bag permits duplicate elements to be added to it. Therefore, this statement is false.

d) None: This option is incorrect because option B is correct.

The Answer is: B

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