71. What is the run time of finding the nearest neighbour in a k-d tree?
72. An expression tree is a kind of?
73. What will be the correct sequence of insertion for the following k-d tree?

74. Can leaf node be called child node in a ternary tree?
75. Which node is the root node of the following K-ary tree?

76. A node can have a minimum of one child.
77. Is parent node of Node 4 and root node of the given K-ary tree same?

78. How many strategies are followed to solve a dynamic equivalence problem?
79. Path Compression algorithm performs in which of the following operations?
80. Which node is the child node of Node C in the following K-ary tree?

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