2025 Logical test

What does the following Java code output?

• 15

• 17

• 16

• Error

What will be the output of the following PHP code?

• 510 cars
• 5+10 cars
• 15

• Error

What will be the output of the following Python code?

• [1, 2, 3]
• [1, 2, 3, 4]
• [1, 2, 7]
• Error

What is the output of the following JavaScript code?

• a is false
• a is true
• Error
• No output

What is the output of the following C# code?

• ", Wor"

• " Worl"
• "World"
• Index Error

What will the following Python code output?

• 1 , 5 , 10

• 1 , 5 , 15

• 1 , 15

• Error

What does the following SQL query return? SELECT COUNT(*) FROM employees WHERE department_id IS NULL;

• The number of employees with a department_id
• The number of employees without a department_id
• All employees
• No output

What will be the output of the following SQL query? SELECT IFNULL(NULL, 'Hello');

• NULL
• Hello
• " "
• Error

What will be the output of the following SQL query? SELECT * FROM orders ORDER BY order_date DESC LIMIT 1;

• The first order by date.
• The last order by date.
• The first order in the table.
• The last order in the table.

Which type of JOIN would you use to include all rows from the left table and only matching rows from the right table?

• INNER
• RIGHT
• LEFT
• OUTER APPLY