What does Number('123') return?
A). 123
B). 123
C). NaN
D). 23
What is the output of (255).toString(2)?
A). 255
B). 11111111
C). ff
D). 10
What does parseFloat('12.34abc') return?
A). 12
B). 34
C). NaN
D). undefined
What does Number.isNaN('123') return?
A). 1
B). 0
C). NaN
D). undefined
What does (123.456).toFixed(1) return?
A). 4
B). 5
C). 45
D). 123
What is the result of parseInt('0xF', 16)?
A). 15
B). 0
C). NaN
D). 16
Which method returns the primitive value of a Number object?
A). toString()
B). valueOf()
C). toFixed()
D). parseFloat()
What is the result of isNaN('Hello')?
A). 1
B). 0
C). NaN
D). undefined
How do you format a number to two decimal places?
A). toFixed(2)
B). toExponential(2)
C). toPrecision(2)
D). toString(2)
What does the method parseInt('10.5') return?
A). 5
B). 11
C). 10
D). NaN