Pointing to a photograph, Ravi says 'She is the daughter of my father's only son's wife.' How is the person in the photograph related to Ravi?

The correct answer is B: Niece. Father's only son = Ravi himself. Ravi's wife's daughter = Ravi's daughter, but the relationship stated points to Ravi's brother's daughter = Niece.

In a series: 1, 1, 2, 3, 5, 8, 13, ? What is the next number?

The correct answer is B: 21. This is the Fibonacci sequence where each number is the sum of the previous two. 13 + 8 = 21

Complete the series: 2, 6, 12, 20, 30, 42, __

The correct answer is B: 56. Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.

In an analogy puzzle: 16:256 :: 12:?

The correct answer is A: 144. 16² = 256. Similarly, 12² = 144.

Some players are champions. All champions are confident. Can we conclude all players are confident?

The correct answer is B: No, we cannot. Only some players are champions. We cannot conclude all players are confident as not all players are necessarily champions.

Deloitte Interview Questions

Deloitte — Interview Questions

Aptitude · Reasoning · English · CS — Corporate & Campus Interview Prep

654 Questions 10 Topics Take Test

Showing 431–440 of 654 questions

Q.431 Easy Deloitte

Which data structure uses LIFO (Last In First Out) principle?

A Queue

B Stack

C Array

D Linked List

Correct Answer: B. Stack

Explanation:

Stack follows LIFO principle where the last element added is the first to be removed

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Q.432 Easy Deloitte

What is the main purpose of a constructor in a class?

A To delete objects

B To initialize objects

C To perform calculations

D To print data

Correct Answer: B. To initialize objects

Explanation:

A constructor is used to initialize objects of a class with default or specified values

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Q.433 Medium Deloitte

In Java, which keyword is used to prevent inheritance?

A private

B protected

C final

D static

Correct Answer: C. final

Explanation:

The 'final' keyword prevents a class from being subclassed or inherited

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Q.434 Medium Deloitte

What is the main difference between ArrayList and LinkedList in Java?

A ArrayList is faster for random access

B LinkedList is faster for random access

C Both have same performance

D ArrayList uses more memory

Correct Answer: A. ArrayList is faster for random access

Explanation:

ArrayList provides O(1) random access, while LinkedList provides O(n) access

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Q.435 Easy Deloitte

What does 'HTTP' stand for?

A HyperText Transfer Protocol

B High Transfer Text Protocol

C Hyper Transfer Type Protocol

D Hyper Text Type Protocol

Correct Answer: A. HyperText Transfer Protocol

Explanation:

HTTP stands for HyperText Transfer Protocol, the foundation of data communication on the web

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Q.436 Easy Deloitte

Which of these is a NoSQL database?

A MySQL

B PostgreSQL

C MongoDB

D Oracle

Correct Answer: C. MongoDB

Explanation:

MongoDB is a NoSQL database. MySQL, PostgreSQL, and Oracle are relational SQL databases

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Q.437 Medium Deloitte

In CSS, what does the 'z-index' property control?

A Font size

B Text alignment

C Stacking order of elements

D Background color

Correct Answer: C. Stacking order of elements

Explanation:

z-index controls the stacking order of overlapping elements on a webpage

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Q.438 Easy Deloitte

What will be the output of: console.log(typeof 5) in JavaScript?

A int

B number

C integer

D numeric

Correct Answer: B. number

Explanation:

The typeof operator returns 'number' for numeric values in JavaScript

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Q.439 Easy Deloitte

A rope of length 30 meters is cut into 5 equal parts. How long is each piece?

A 5 meters

B 6 meters

C 7 meters

D 8 meters

Correct Answer: B. 6 meters

Explanation:

30 meters / 5 = 6 meters per piece

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Q.440 Medium Deloitte

If 30% of a number is 45, what is the number?

A 100

B 120

C 150

D 180

Correct Answer: C. 150

Explanation:

Let number = x. 30% of x = 45. 0.30x = 45. x = 45/0.30 = 150

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