Which of the following represents an object in JavaScript?
A). [1, 2, 3]
B). 42
C). {name: 'Alice', age: 30}
D). 1
What does the expression (5 > 3) evaluate to in JavaScript?
A). 1
B). 0
C). undefined
D). null
What is the data type of the value 'Hello, World!' in JavaScript?
A). Number
B). String
C). Boolean
D). Array
What is the value of the expression true && false in JavaScript?
A). 1
B). 0
C). Error
D). null
What is the value of the expression '20' - 10 in JavaScript?
A). 10
B). '10'
C). '2010'
D). Error
Which of the following represents an array in JavaScript?
A). {name: 'John', age: 30}
B). 'Hello'
C). [1, 2, 3]
D). 1
What is the value of the expression 'Hello' + 'World' in JavaScript?
A). 'HelloWorld'
B). 'Hello World'
C). 'Hello+World'
D). Error
What is the value of the expression (10 * 3) / 2 in JavaScript?
A). 15
B). 30
C). 20
D). 25
What is the result of the expression '10' + 5 in JavaScript?
A). '105'
B). 15
C). '15'
D). Error
Which of the following represents a null value in JavaScript?
A). undefined
B). 'null'
C). null
D). 0