Question: Suppose that x is a B - tree leaf containing 4 1 entries and having at least one sibling. Which statement is true? Any sibling

Suppose that x is a B-tree leaf containing 41 entries and having at least one sibling. Which statement is true?
Any sibling of x is also a leaf.
Any sibling of x contains at least 41 entries.
x has at least 41 siblings.
The parent of x has exactly 42 entries.
Suppose that x is a B - tree leaf containing 4 1

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