21. What is the purpose of the TakeWhile operator in LINQ? A. Returns elements from a sequence before a specified condition becomes false B. Returns elements from a sequence after a specified condition becomes true C. Returns elements from a sequence as long as a specified condition is true D. Returns elements from a sequence until a specified condition is true Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
22. In LINQ, what does the All operator do? A. Determines whether any element exists in a sequence that satisfies a condition B. Returns the number of elements in a sequence C. Returns a specific element from a sequence D. Determines whether all elements in a sequence satisfy a condition Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
23. Which LINQ operator is used to perform a right outer join between two sequences based on matching keys? A. GroupJoin B. Join C. Except D. Union Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
24. What is the purpose of the SkipWhile operator in LINQ? A. Bypasses a specified number of elements from the start of a sequence B. Bypasses a specified number of elements and then returns the remaining elements C. Bypasses elements in a sequence after a specified condition becomes true D. Bypasses elements in a sequence until a specified condition becomes false Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
25. In LINQ, what does the Aggregate operator do? A. Projects each element of a sequence and flattens the resulting sequences B. Filters a sequence based on a predicate C. Performs a custom aggregation operation on the elements of a sequence D. Orders the elements of a sequence Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
26. What is the purpose of the AsEnumerable operator in LINQ? A. Converts a sequence to a List<T> B. Converts a sequence to an IEnumerable<T> C. Converts a sequence to an Array<T> D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
27. Which LINQ operator is used to return elements from the first sequence that are not present in the second sequence? A. Union B. Concat C. Except D. Intersect Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
28. What is the purpose of the Reverse operator in LINQ? A. Sorts the elements of a sequence in ascending order based on a key B. Filters a sequence based on a predicate C. Projects each element of a sequence D. Reverses the order of the elements in a sequence Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
29. In LINQ, what does the ElementAt operator do? A. Returns the number of elements in a sequence B. Returns the last element of a sequence C. Returns the element at a specified index in a sequence D. Returns the first element of a sequence Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
30. Which LINQ operator is used to remove duplicate elements from a sequence? A. Except B. Intersect C. Union D. Distinct Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
