Consider the following JavaScript code const juices = [ { id: 1, name: "grape", rating: 8.1 }, { id: 2, name: "apple", rating: 5.0 }, { id: 3, name: "orange", rating: 6.9 }, { id: 4, name: "banana", rating: 10 }, ] mapping = { "4": 1, "3": 2, "2": 3, "1": 4 } juices.map((juice) => { return { ...juice, rank: mapping[juice.id] } }) .sort((a, b) => a.rank - b.rank) .map((juice) => { console.log(juice.name) }) What will be the output of the code?

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(C) Option figure from the original question paper

(D) Option figure from the original question paper

MAD 2 Quiz 1: 27 October 2024 (September 2024 term)

Question 1

+2 marksOne correct option

Consider the following HTML, with the correct Vue 2 CDN links included.

html

1<body>
2  <div id="app" :class="['box', { active: isActive }]">
3  Vue Component
4  </div>
5  <script>
6    new Vue({
7      el: '#app',
8      data() {
9        return {
10          isActive: false,
11        };
12      },
13    });
14  </script>
15</body>

What will be the final rendered class attribute of the <div> ?

A
box
B
active
C
box active
D
box inactive

Question 2

+2 marksOne correct option

Which of the following is an example of ephemeral state in a web application?

A
A user's authentication token stored in local storage
B
A form input value that changes as the user types
C
The list of favorite items saved in a user's profile
D
A shopping cart saved between sessions

Question 3

+3 marksOne correct option

Consider the following JavaScript code

javascript

1const juices = [
2    { id: 1, name: "grape", rating: 8.1 },
3    { id: 2, name: "apple", rating: 5.0 },
4    { id: 3, name: "orange", rating: 6.9 },
5    { id: 4, name: "banana", rating: 10 },
6]
7
8mapping = { "4": 1, "3": 2, "2": 3, "1": 4 }
9
10juices.map((juice) => { return { ...juice, rank: mapping[juice.id] } })
11    .sort((a, b) => a.rank - b.rank)
12    .map((juice) => { console.log(juice.name) })

What will be the output of the code?

13 more questions in this paper

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More on the MAD 2 Quiz 1 27 Oct 2024 paper

The IIT Madras BS Modern Application Development II (MAD 2) Quiz 1 paper sat on 27 Oct 2024, in the September 2024 term (T3 2024): 16 questions for 50 marks in 120 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.

Feature	MAD 2 Quiz 1 27 Oct 2024 at a glance
Term	September 2024 term (T3 2024)
Subject	Modern Application Development II
Course code	BSCS2006
Questions	16
Marks	50
Duration	120 min
MCQ	11
MSQ	5
Official paper	IIT M DIPLOMA AN EXAM QDD2 27 Oct 2024
Negative marking	No negative marking.
Updated	25 Sept 2026