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1. A man can complete a task in 12 days. After working for 4 days, he is joined by another who can do the job in 6 days. How many total days will the work take to complete?

6
8
9
10

2. What comes next in the series: 1, 4, 9, 16, 25, ?

35
36
30
32

3. Choose the correctly spelled word:

Recomendation
Reccommendation
Recommendation
Recomenddation

4. What is the output of:
int a = 5;
printf("%d", a++ + ++a);

10
11
12
Undefined

5. Which data structure is used in function call management (runtime stack)?

Queue
Heap
Stack
Array

6. What is the worst-case time complexity of Quick Sort?

O(n log n)
O(n²)
O(log n)
O(n)

7. Which of the following ensures uniqueness in a relational database table?

Index
Foreign Key
Primary Key
Trigger

8. Which scheduling algorithm gives minimum average waiting time?

FCFS
Round Robin
SJF (Shortest Job First)
Priority Scheduling

9. In OOP, what does encapsulation mean?

Reusing code
Wrapping data and code
Polymorphic behavior
Inheritance hierarchy

10. What is the most effective way to answer “Tell me about yourself” in an interview?

Talk only about hobbies
Recite your resume
Give a summary focusing on education, experience & goals
Speak casually without structure

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