Selected MCQ

Current Question
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 1
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 2
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 3
Volume of cube is 1728 cc. Find surface area.
  • A. 864 cm²
  • B. 648 cm²
  • C. 486 cm²
  • D. 468 cm²
Correct Answer: A
Explanation:
Side = 12 → TSA = 6×144.
Related Question 4
Total cost of flooring a room at Rs. 8.50 per m² is Rs. 510. Find the area.
  • A. 7.5 m²
  • B. 8.5 m²
  • C. 10.5 m²
  • D. 12.5 m²
Correct Answer: A
Explanation:
Area = cost/rate = 510/8.5.
Related Question 5
Surface area of the cube is 24 cm². Find volume.
  • A. 8 cm³
  • B. 16 cm³
  • C. 32 cm³
  • D. 64 cm³
Correct Answer: A
Explanation:
Side = 2 → volume = 8.