A complete n - ary tree is a tree in which each node has n children or no children. Let I be the number of internal nodes and L be the number of leaves in a complete n - ary tree. If L=41. and I=10. What is the value of n? - Solved Computer Science - June 2020 - NTA NET ASPIRANT ACADEMY

NTA NET SOLVED COMPUTER SCIENCE - JUNE 2020

Answer: 5 (Option D)

The period of a signal is 100ms. Then the frequency of this signal in kilohertz is - NTA NET JUNE 2020 - NTA NET ASPIRANT ACADEMY

 

Answer: B

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What is the radix of the numbers if the solution to the quadratic equation X^2-10X+26=0 is x=4 and x=7? - NTA NET JUNE 2020 - NTA NET ASPIRANT ACADEMY

 

Answer: 11

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Let G be a simple undirected graph, TD be a DFS tree on G, and TB be the BFS tree on G. Consider the following statemets. - NET ASPIRANT ACADEMY

Answer: Option 3

Explanation: There are four types of edges can yield in DFS. These are tree, forward, back, and cross edges. In undirected connected graph, forward and back egdes are the same thing. A cross edge in a graph is an edge that goes from a vertex v to another vertex u such that u is neither an ancestor nor descendant of v. Therefore, cross edge is not possible in undirected graph.
So, statement (I) is correct.

For statement (II) take counterexample of complete graph of three vertices, i.e., K3 with XYZ, where X is source and Y and Z are in same level. Also,there is an edge between vertices Y and Z, i.e., |i-j| = 0 ≠ 1 in BFS. So, statement became false.

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