## Question 1
Given the below intervals, find the correct output after merging the overlapping intervals.

[ [1, 6], [2, 4] ]
### Options

1. [ [2, 4] ]
Incorrect

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2. [ [1, 6] ]
Correct
[1, 6], [2, 4] are overlapping. Merge them into one interval [1, 6].
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3. [ [1, 6], [2, 4] ]
Incorrect

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4. [ [2, 4], [1, 6] ]
Incorrect

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## Question 2
Given the below intervals, find the correct output after merging the overlapping intervals.

[ [1, 8] ]
### Options

1. [ [1, 5] ]
Incorrect

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2. [ [1, 6] ]
Incorrect

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3. [ [1, 7] ]
Incorrect

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4. [ [1, 8] ]
Correct
We only have a single interval, so no merging is required.
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## Question 3
Given the below intervals, find the correct output after merging the overlapping intervals.

[ [2, 9], [3, 5], [4, 8] ]
### Options

1. [ [2, 9] ]
Correct
[2, 9], [3, 5], [4, 8] are overlapping. Merge them into one interval [2, 9].
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2. [ [5, 5] ]
Incorrect

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3. [ [4, 8] ]
Incorrect

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4. [ [2, 9], [3, 5], [4, 8] ]
Incorrect

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## Question 4
Given the below intervals, find the correct output after merging the overlapping intervals.

[ [2, 4], [3, 5], [4, 5], [6, 10], [12, 14] ]
### Options

1. [ [2, 5], [6, 10] ]
Incorrect

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2. [ [2, 5], [6, 10], [12, 14] ]
Correct
Intervals [2, 4], [3, 5], [4, 5] are overlapping. Merge them into one interval [2, 5].
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3. [ [6, 10], [12, 14] ]
Incorrect

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4. [ [2, 5], [12, 14] ]
Incorrect

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