no. of splits

Question

Q).Consider the following $B^+$ tree

Which of the following is true, after inserting $80$. (If rotation allowed)

(A).No node splitted 

(B).Only Root node splitted

(C). Only leaf node splitted

(D).Both Root & leaf node splitted

 

Answer 1

The answer must be A.As no node splitting is done.As rotation is allowed,80 will be placed on 85 position and 85 will be placed before 90 and 95.