Mensuration Questions

Study the volume and surface-area formulas for hemispheres and cylinders. Practise questions involving dimensions, equal volumes, and converting one solid into another to strengthen your mensuration skills.

26 questions

  1. An architect is designing a right prism-shaped skylight with a rectangular base measuring 9 cm by 12 cm and a height of 16 cm. Determine the length of the longest…
    SSC Selection Post 2026 Graduate · 2026 · 23 Sep Shift 1st · Question 63 · Medium
  2. A circular park has a radius of 8 cm, and a special garden area is designed as a sector with an area of 32π cm². Find the length of the…
    SSC Selection Post 2026 Graduate · 2026 · 23 Sep Shift 1st · Question 62 · Hard
  3. In a square pyramid, the base side is 6 cm and slant height is 10 cm. Find lateral surface area.
    SSC Selection Post 2026 Graduate · 2026 · 23 Sep Shift 1st · Question 61 · Hard
  4. Find the area of a quarter-circle with radius 7 cm.
    SSC Selection Post 2026 Graduate · 2026 · 23 Sep Shift 1st · Question 60 · Hard
  5. A plane parallel to the base of a pyramid cuts it at half its vertical height from the apex. What is the ratio of the volume of the smaller pyramid…
    SSC Selection Post 2026 Graduate · 2026 · 22 Sep Shift 1st · Question 70 · Medium
  6. A hemispherical water tank has an internal radius of 21 m. It is full of water and is being emptied by a pump at a rate of 100 litres per…
    SSC Selection Post 2026 Graduate · 2026 · 22 Sep Shift 1st · Question 65 · Medium
  7. A brine tank has 100 liters of 40% salt solution. Water is added to reduce it to 25%, but then 10 liters are lost due to overflow. What was the…
    SSC Selection Post 2026 Graduate · 2026 · 21 Sep Shift 1st · Question 65 · Hard
  8. An architect is designing a square-based pyramid for a public monument. The base has a perimeter of 60 m, and the total lateral surface area (the sum of the four…
    SSC Selection Post 2026 Graduate · 2026 · 21 Sep Shift 1st · Question 62 · Hard
  9. A prism has a base of area 35 cm² and height 6.5 cm. What is the volume?
    SSC Selection Post 2026 Graduate · 2026 · 21 Sep Shift 1st · Question 61 · Hard
  10. The diagonal of the square base of a right square pyramid is 10√2 cm. If the lateral surface area of the pyramid is 260 cm², calculate the volume of the…
    SSC Selection Post 2026 Graduate · 2026 · 19 Sep Shift 1st · Question 71 · Hard
  11. The ratio of the volumes of two hemispheres is 27: 64. What is the ratio of their total surface areas?
    SSC Selection Post 2026 Graduate · 2026 · 19 Sep Shift 1st · Question 66 · Hard
  12. A square tile has area 72 cm². What is the length of each side in simplest surd form?
    SSC Selection Post 2026 Graduate · 2026 · 18 Sep Shift 1st · Question 72 · Medium
  13. A square pyramid has a base side of 6 cm and height 9 cm. Find the volume.
    SSC Selection Post 2026 Graduate · 2026 · 18 Sep Shift 1st · Question 65 · Medium
  14. A rectangular prism has volume 288 cm³ and base dimensions 6 cm and 4 cm. Find its height.
    SSC Selection Post 2026 Graduate · 2026 · 18 Sep Shift 1st · Question 64 · Medium
  15. If a circular wire is bent to form a square, and the radius of the circle is 14 cm, what is the side of the square?
    SSC Selection Post 2026 Graduate · 2026 · 18 Sep Shift 1st · Question 63 · Medium
  16. The total surface area of a hemisphere is 462 cm². What is its curved surface area? (Use \(\pi=\frac{22}{7}\))
    SSC Selection Post 2026 Graduate · 2026 · 17 Sep Shift 1st · Question 71 · Hard
  17. The ratio of the curved surface area of a cylinder to its total surface area is 7:10. If the volume of the cylinder is 12672 cm³, find its curved surface…
    SSC CHSL Tier 1 · 2025 · 18 Nov Shift 3rd · Question 57 · Hard
  18. A farmer wants to fence a triangular field with sides 60 m, 111 m, and 123 m. If the cost of fencing is ₹18 per meter, what will be the…
    SSC CHSL Tier 1 · 2025 · 18 Nov Shift 2nd · Question 74 · Medium
  19. A rectangular tile having a perimeter of 224 cm has been used to pave a floor of length and breadth 25.6 m and 14.4 m, respectively. If the ratio of…
    SSC CHSL Tier 1 · 2025 · 18 Nov Shift 2nd · Question 64 · Medium
  20. The length and breadth of a rectangle are in the ratio 14:11, respectively, and the perimeter of the rectangle is 150 cm. If the area of the rectangle is equal…
    SSC CHSL Tier 1 · 2025 · 15 Nov Shift 2nd · Question 67 · Medium
  21. A hemispherical tank has an inner radius of 3 m. It is filled with water at a rate of 1800π liters per minute. How long will it take to fill…
    SSC CHSL Tier 1 · 2025 · 14 Nov Shift 1st · Question 67 · Hard
  22. A solid metal sphere with a radius of 12 cm is melted and transformed into multiple smaller spheres, each with a radius of 2 cm. How many smaller spheres can…
    SSC CHSL Tier 1 · 2025 · 14 Nov Shift 1st · Question 66 · Medium
  23. The numerical value of the volume of a hemisphere is equal to the numerical value of its total surface area. What is the radius of this hemisphere in units?
    SSC CHSL Tier 1 · 2025 · 13 Nov Shift 3rd · Question 67 · Hard
  24. A solid right circular cylinder is melted down and recast into a right circular cone with the same base radius. If the cylinder's height is h, what is the height…
    SSC CHSL Tier 1 · 2025 · 13 Nov Shift 3rd · Question 64 · Hard
  25. A solid hemispherical block is melted and recast into a cylinder of the same radius. The height of the cylinder is what fraction of the radius of the hemisphere?
    SSC CHSL Tier 1 12 Nov 2025 Shift 2 · Question 68 · Medium