1. You want to create a form in HTML. Which of the following tags is used to group together form controls such as inputs and labels?

• <div>

• <form>

• <fieldset>

• <section>

Which of the following conditions must hold true for a binary tree to be a valid Binary Search Tree (BST)?

1) The left subtree of a node contains values greater than the node
2) The right subtree of a node contains values less than the node
3) The left and right subtrees must be valid BSTs

• Only 1

• Only 3

• Both 2 and 3

• Both 1 and 3

Which sorting algorithm is best suited for sorting nearly sorted data (or data that is mostly sorted)?

• Insertion Sort

• QuickSort

• MergeSort

• HeapSort

What will be the output :

• [0,3]

• [0,1]

• [2,0]

• [1,6]

What is the correct syntax for including an external CSS file in an HTML document?

• <css href="style.css">

• <style src="style.css">

• <stylesheet link="style.css">

• <link rel="stylesheet" href="style.css">

When you append an element to a dynamic array and the array is already full, what is the time complexity of resizing the array?

• O(1)

• O(log n)

• O(n)

• O(n log n)

Which of the following algorithms is best suited for searching in a sorted array?

• Binary Search

• Jump Search

• Linear Search

• Fibonacci Search

Value of x = ?, y = ?

• 7,9

• 9,7

• Error

• 7,7

Which CSS rule will select all elements with the class "header"?

• *header {}

• #header {}

• .header {}

• header {}

What is the time complexity of Dijkstra’s algorithm when implemented using an adjacency matrix and a simple array for the priority queue?

• O(n^2)

• O(n^3)

• O(n log n)

• O(m log n)