Selected MCQ

Current Question
If the perimeter of a square is 64 cm, what is its area?
  • A. 256
  • B. 144
  • C. 196
  • D. 225
Correct Answer: A
Explanation:
Side = 16 ⇒ area = 256.
Related Question 1
The perimeters of a circular field and a square field are equal. If the area of the square is given, what is the area of the circle?
  • A. 15500 sq m
  • B. 15400 sq m
  • C. 15200 sq m
  • D. 15300 sq m
Correct Answer: B
Explanation:
Equating the perimeters and solving for the area yields an area ≈ of 15400 m².
Related Question 2
The perimeter of a rectangle and a square is each 160 m. If the rectangle’s area is 100 m² less than the square's, what is the rectangle’s breadth?
  • A. 30 m
  • B. 40 m
  • C. 50 m
  • D. 60 m
Correct Answer: C
Explanation:
Solving for equal perimeters and an area difference yields breadth = 50 m.
Related Question 3
The perimeter of a square is double the perimeter of a rectangle. The area of the square ____.
  • A. 200 sq cm
  • B. 72 sq cm
  • C. 162 sq cm
  • D. Cannot be determined
Correct Answer: D
Explanation:
Without the dimensions of the rectangle, the square’s area cannot be uniquely determined.
Related Question 4
Total area of 64 squares is 400 cm². Find the side of the big square.
  • A. 17 cm
  • B. 20 cm
  • C. 23 cm
  • D. 26 cm
Correct Answer: D
Explanation:
Total side calculation.
Related Question 5
Two circles have a radius relation. Area of the square is 196 cm². Find radius.
  • A. 12π
  • B. 16π
  • C. 24π
  • D. 32π
Correct Answer: C
Explanation:
Side=14, radius=7×? → area relation.