2. If ‘A + B’ means ‘A is the mother of B’, and ‘A × B’ means ‘A is the sister of B’, then what does ‘P + Q × R’ mean?

P is the aunt of R
Q is the sister of R
P is the mother of Q
Q is the daughter of R

3. What will be the output of this code?
x = 3
y = x
x = 5
print(y)

3
5
Error
None

4. Which SQL clause is used to filter rows based on a condition?

GROUP BY
ORDER BY
HAVING
WHERE

5. Which data structure is used for undo operations in text editors?

Queue
Stack
Tree
Graph

6. Which of the following is not a type of scheduling algorithm?

Round Robin
First Come First Serve
Preemptive Scheduling
Batch Allocation

7. Which OOP concept means “one interface, many implementations”?

Inheritance
Encapsulation
Abstraction
Polymorphism

8. Choose the correct sentence:

He don’t know the answer.
He doesn’t knows the answer.
He doesn’t know the answer.
He do not knows the answer.

9. What’s the best response to “What’s your biggest weakness?” in an interview?

I don’t have any.
I’m a perfectionist.
I tend to procrastinate, but I’m working on using time-blocking to fix it.
I get bored easily.

10. How many times will print("Hi") run?
for i in range(1, 5):
  for j in range(1, 3):
    print("Hi")

5
6
8
12