Topics

JavaScript MCQ Javascript Classes MCQ

‹ Previous Next › Start Quiz - Javascript Classes MCQ

⚠ Report ✓ Question Verified Copy Link

Q: All instances of the class inherit its attributes from this object, which also has properties whose values are functions that act as the class' instance methods.

A Instance object
B Constructor object
C Destructor object
D Prototype object
Share this MCQ

‹ Previous Next ›

Write your comment

Q 1: The percentage of error in the calculated area of the square, given that an error of 2% in excess was made while measuring the side, is:

A2%
B2.02%
C4%
D4.04%

Q 2: If a square's perimeter is 24 cm, one of its sides is

A12 cm
B8 cm
C6 cm
D2 cm

Correct Option: C
Correct Answer: 6 cm


Perimeter of Square = 4 x side
4 x side = 24
Side = 24/4 = 6 cm
One of the sides of the square is 6 cm.

Q 3: What is the area of a square field whose diagonal is 16 m?

A130 m²
B128 m²
C126 m²
D124 m²

Correct Option: B
Correct Answer: 128 m<sup>2 </sup>

 
Area of a square:
side²= Area Aptitude × (diagonal)²

                         = Area Aptitude x 16²

                         = Area Aptitude x 256

                         = 128 m²

Learn More MCQ Questions from JavaScript MCQ Javascript Classes MCQ