Selected MCQ

Current Question
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 1
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.
Related Question 2
The area of a square with side x equals the area of a triangle with base x. What is the height of the triangle?
  • A. x/2
  • B. x
  • C. 2x
  • D. 4x
Correct Answer: C
Explanation:
Equating areas: x² = ½ × x × h ⇒ h = 2x.
Related Question 3
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 4
A wire bent into a square encloses 484 cm². If reshaped, find a new area.
  • A. 484 cm²
  • B. 538 2/7 cm²
  • C. 616 cm²
  • D. 644 cm²
Correct Answer: C
Explanation:
Perimeter conserved.
Related Question 5
Side of square increases by 25%. Increase in area is ____.
  • A. 52.65%
  • B. 56.25%
  • C. 50.75%
  • D. 42.75%
Correct Answer: B
Explanation:
Area ∝ side² → (1.25)².