DELOITTE FULL ONLINE TEST PAPER
Place of Test: Vellore Institute of Technology, Chennai
Date: February 15, 2025

Round 1: Online Assessment – 95 Questions (95 Minutes)

No negative marking | Sectional time limits apply

Round 2: Technical Interview (30-40 minutes)

Round 3: HR Interview (15-20 minutes)

Written Test Pattern & Sample Questions

Part A: Quantitative & Logical Reasoning (40 Questions)

1. A shopkeeper sells an article at 25% profit. If he had bought it at 20% less and sold it for ₹150 less, he would have gained 30%. Find the original cost price:
a) ₹800
b) ₹1000
c) ₹1200
d) ₹1500

2. Find the missing number in the series: 3, 8, 15, 24, 35, ?
a) 46
b) 48
c) 50
d) 52

3. A boat travels 30 km upstream in 5 hours and 44 km downstream in 4 hours. Find the speed of the boat in still water:
a) 8 km/hr
b) 10 km/hr
c) 12 km/hr
d) 14 km/hr

4. In a code language, 'COMPUTER' is written as 'EOORWVGT'. How is 'KEYBOARD' written in that code?
a) MGADQTFC
b) MGADQTBF
c) MGBDQTBF
d) MGADQTCF

5. A, B, and C can complete a work in 12, 15, and 20 days respectively. They start working together, but after 4 days, A leaves. In how many days will B and C complete the remaining work?
a) 4 days
b) 5 days
c) 6 days
d) 7 days

Part B: Technical MCQs (35 Questions)

6. Which of the following is NOT a valid SQL constraint?
a) UNIQUE
b) PRIMARY KEY
c) FOREIGN KEY
d) SEQUENCE

7. What will be the output of the following Python code?

 list1 = [1, 2, 3, 4] list2 = list1 list2.append(5) print(list1) 

8. In Java, which collection class provides synchronized methods by default?
a) ArrayList
b) HashMap
c) Vector
d) LinkedList

9. Which protocol uses port number 443 by default?
a) HTTP
b) FTP
c) HTTPS
d) SMTP

10. What is the time complexity of binary search on a sorted array of n elements?
a) O(n)
b) O(log n)
c) O(n log n)
d) O(1)

11. In OSI model, which layer is responsible for error detection and recovery?
a) Physical Layer
b) Data Link Layer
c) Network Layer
d) Transport Layer

Part C: English & Behavioral Assessment (20 Questions)

12. Choose the correct sentence:
a) Neither the manager nor the employees was present.
b) Neither the manager nor the employees were present.
c) Neither the manager or the employees were present.
d) Neither the manager nor the employees is present.

13. Identify the antonym of "PROLIFIC":
a) Productive
b) Fertile
c) Barren
d) Creative

14. Rearrange the jumbled sentences to form a coherent paragraph:
A. However, many companies are now adopting remote work policies.
B. Traditional office setups have been the norm for decades.
C. This shift requires new management strategies and tools.
D. The pandemic accelerated this transformation dramatically.
a) B-A-D-C
b) A-B-C-D
c) D-C-B-A
d) C-D-A-B

15. Behavioral Question: You have two important deadlines approaching simultaneously. How would you prioritize?
a) Work on both simultaneously
b) Seek extension for one deadline
c) Prioritize based on impact and urgency
d) Delegate one task to a colleague

HR Interview Questions:

• Introduce yourself and walk me through your resume.
• Why Deloitte specifically, among all consulting firms?
• What do you know about Deloitte's service lines and recent projects?
• Where do you see yourself in 5 years?
• How do you handle constructive criticism?
• What are your salary expectations?
• Are you comfortable with extensive travel or relocation?
• Describe a situation where you had to work with a difficult team member.
• What are your strengths and weaknesses?
• Why should we hire you over other candidates?

Technical Interview Questions:

• Explain the difference between method overloading and overriding with examples.
• What are ACID properties in DBMS? Explain each with examples.
• How does garbage collection work in Java?
• Differentiate between ArrayList and LinkedList in Java.
• Write a SQL query to find the second highest salary from an Employee table.
• What is polymorphism? Explain compile-time and runtime polymorphism.
• Explain different types of joins in SQL with examples.
• What is the difference between abstract class and interface in Java 8+?
• Describe different types of inheritance in OOPs.
• What is REST API? Explain its principles.
• How would you optimize a slow-running SQL query?
• Explain the concept of multithreading with real-world examples.
• What are indexes in databases? When should you use them?
• Differentiate between process and thread.
• Explain MVC architecture with a diagram.

Managerial / Behavioral Questions:

1. Describe a time when you led a team project. What challenges did you face?
2. Tell me about a situation where you had to make a difficult decision with limited information.
3. How do you handle conflicting priorities from multiple managers?
4. Describe a time you failed at something. What did you learn from it?
5. How do you ensure quality in your work when working under tight deadlines?
6. Give an example of how you handled a difficult client or stakeholder.
7. Describe a situation where you had to learn a new technology quickly for a project.
8. How do you motivate team members during challenging projects?
9. Tell me about a time you had to persuade others to accept your idea.
10. Describe your approach to managing a project from initiation to completion.

Coding Problems Asked:

Question: Write a Java program to reverse a string without using built-in functions.

public class StringReverse {

    public static String reverseString(String str) {
        char[] charArray = str.toCharArray();
        int left = 0;
        int right = charArray.length - 1;

        while (left < right) {
            char temp = charArray[left];
            charArray[left] = charArray[right];
            charArray[right] = temp;
            left++;
            right--;
        }

        return new String(charArray);
    }

    public static void main(String[] args) {
        System.out.println(reverseString("Deloitte"));
    }
}

Question: Write an SQL query to find the department with the highest number of employees.

SELECT 
    department_id, 
    COUNT(*) AS employee_count 
FROM 
    employees 
GROUP BY 
    department_id 
ORDER BY 
    employee_count DESC 
LIMIT 1;

Preparation Tips for 2026 Placements:

1. Focus on problem-solving skills rather than rote learning.
2. Practice SQL queries extensively, including joins, subqueries, and aggregations.
3. Be thorough with OOPs concepts and their real-world implementation.
4. Prepare at least 2 to 3 projects and be ready to explain them in detail.
5. Research Deloitte’s recent projects, values, and major business areas.
6. Practice behavioral questions using the STAR method (Situation, Task, Action, Result).
7. Be prepared for case-based questions in technical and managerial interviews.
8. Stay updated with current technology trends in the consulting and IT services domain.

Note: The interview pattern may vary slightly across different campuses and recruitment drives. However, this reflects the latest trend observed in 2026 placements. Good luck with your preparation!