Q
What will be the result of 3 * 'A' in JavaScript?

Answer & Solution

Answer: Option B
Solution:
<div>Multiplying a number by a non-numeric value in JavaScript results in NaN (Not a Number).</div>
Related Questions on Average

What will be the value of x after executing the code: let x = 10; x -= 2; x *= 3;?

A). 24

B). 30

C). 36

D). 12

What will be the value of x after executing the code: let x = 10; x /= 2;?

A). 5

B). 20

C). 0

D). 2

What does the operator

A).

B). do in JavaScript?

C). Logical AND

D). Logical OR

What does the unary operator + do to a string in JavaScript?

A). Concatenates it

B). Ignores it

C). Converts it to a number

D). Throws an error

What does the operator === do in JavaScript?

A). Checks for equality without type conversion

B). Assigns a value

C). Performs a strict comparison

D). Concatenates strings

What is the value of x after executing the code: let x = 10; x += 5; x /= 3;?

A). 5

B). 15

C). 33

D). 67

What is the result of '20' - 10 in JavaScript?

A). 10

B). '10'

C). NaN

D). 20

What is the purpose of the % operator in JavaScript?

A). Exponentiation

B). Division

C). Modulus

D). Concatenation

What will be the value of x after executing the code: let x = 5; x += '2';?

A). 7

B). '72'

C). 52

D). NaN

What does the typeof operator return for an array in JavaScript?

A). 'array'

B). 'object'

C). 'null'

D). 'undefined'