Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Mathematics : Surface Areas and Volumes

Short Answer Type

361. Marbles of diameter 1.4 cm are dropped into a beaker containing some water and are fully submerged. The diameter of the beaker is 7 cm. Find how many marbles have been dropped in it, if water rises by 56 cm.

93 Views

362. The volumes of two spheres are in the ratio of 64 : 27. Find their radii if the sum of their radii is 21 cm.

136 Views

363. A hemispherical shaped container has curved surface area of 2772 cm². Find the capacity of container.

116 Views

364. Find the volume of a sphere whose surface area is 154 cm². Also, find the cost of polishing its surface @ र 5 per cm².

93 Views

365. The largest sphere is carved out of a cube of side 7 cm. Find the volume of the sphere.

285 Views

366. Find the volume of metal used to construct a hollow sphere of internal and external diameters as 10 cm and 13 cm respectively.

190 Views

367. A hemispherical bowl of internal and external diameter 6 cm and 10 cm is melted and formed into a cylinder of diameter 14 cm. Find the height of the cylinder.

199 Views

368. A boy has a spherical sweet of radius 4 cm. A girl has 8 spherical sweets each of radius 2 cm. Find the ratio of the volume of the sweets the boy has to the sweets the girl has.

115 Views