Which of the following represents an object in JavaScript?
A). [1, 2, 3]
B). 42
C). {name: 'Alice', age: 30}
D). 1
What is the result of the expression 10 + '5' in JavaScript?
A). 105
B). '15'
C). 15
D). '105'
What is the value of the expression 5 + 5 + '10' in JavaScript?
A). 20
B). '510'
C). '15'
D). 15
What data type does the value true represent in JavaScript?
A). Number
B). String
C). Boolean
D). Object
What is the result of the expression 5 * '3' in JavaScript?
A). 15
B). '15'
C). Error
D). 53
Which of the following represents a Boolean value in JavaScript?
A). 'true'
B). '42'
C). 'null'
D). 'undefined'
What is the value of the expression (10 * 3) / 2 in JavaScript?
A). 15
B). 30
C). 20
D). 25
Which of the following represents a null value in JavaScript?
A). undefined
B). 'null'
C). null
D). 0
Which of the following represents a numeric value in JavaScript?
A). 'Hello'
B). 1
C). 42
D). [1, 2, 3]
What is the value of the expression !(5 > 3) in JavaScript?
A). 1
B). 0
C). Error
D). null