What is the value of the expression (true

What is the value of the expression 5 + 5 + '10' in JavaScript?

A). 20

B). '510'

C). '15'

D). 15

What is the result of the expression 5 * '3' in JavaScript?

A). 15

B). '15'

C). Error

D). 53

Which of the following represents an undefined value in JavaScript?

A). 'undefined'

B). null

C). undefined

D). 'null'

What is the value of the expression 'Hello' + 'World' in JavaScript?

A). 'HelloWorld'

B). 'Hello World'

C). 'Hello+World'

D). Error

Which of the following represents an object in JavaScript?

A). [1, 2, 3]

B). 42

C). {name: 'Alice', age: 30}

D). 1

What data type does the value true represent in JavaScript?

A). Number

B). String

C). Boolean

D). Object

What is the value of the expression true && false in JavaScript?

A). 1

B). 0

C). Error

D). null

Which of the following represents a numeric value in JavaScript?

A). 'Hello'

B). 1

C). 42

D). [1, 2, 3]

What is the data type of the value 'Hello, World!' in JavaScript?

A). Number

B). String

C). Boolean

D). Array

Which of the following represents a Boolean value in JavaScript?

A). 'true'

B). '42'

C). 'null'

D). 'undefined'