Selected MCQ

Current Question
Sum of length, breadth, and height of a cuboid is 19 cm, and the diagonal is 5.5 cm. Find surface area.
  • A. 125 cm²
  • B. 236 cm²
  • C. 361 cm²
  • D. None
Correct Answer: B
Explanation:
Use the identity relation.
Related Question 1
The slant height of a cone is 12 cm, and the radius is 4 cm. Find the curved surface area.
  • A. 74π cm²
  • B. 36π cm²
  • C. 48π cm²
  • D. 24π cm²
Correct Answer: C
Explanation:
CSA = πrl = π×4×12.
Related Question 2
A cylinder has a radius of 7 cm and a height of 3 cm. Find the total surface area.
  • A. 308 cm²
  • B. 220 cm²
  • C. 440 cm²
  • D. 132 cm²
Correct Answer: C
Explanation:
TSA = 2πr(r+h).
Related Question 3
The radius of a cylinder is r, and the height is 3r. Find the curved surface area.
  • A. 18πr²
  • B. 3πr²
  • C. 12πr²
  • D. 6πr²
Correct Answer: D
Explanation:
CSA = 2πr × 3r = 6πr².
Related Question 4
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 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.