Areas & Volumes — practice questions, page 8
Browse practice questions
QuestionThe total surface area of a solid cylinder is three times its curved surface area. Find the ratio…QuestionThe curved surface area of a cylinder is 264 cm² and its volume is 924 cm³. Find its height in cm.…QuestionThe inside of a hemispherical dome of radius 21 m is to be whitewashed at ₹12.50 per m². What is…QuestionFor a certain sphere the number measuring its volume in cm³ is equal to the number measuring its…QuestionA cone and a cylinder stand on bases of equal radius and hold equal volumes. Find the ratio of the…QuestionA copper wire of diameter 4 mm is wound closely, turn touching turn, round a cylinder 24 cm long…QuestionA wall 10 m long, 4 m high and 24 cm thick is built solid with bricks measuring 25 cm by 12 cm by…QuestionA well of diameter 4 m is dug 21 m deep. Digging costs ₹25 per m³ and plastering its inner curved…QuestionThree solid metal cubes of edges 6 cm, 8 cm and 10 cm are melted together and recast as a single…QuestionMetal discs of diameter 1.75 cm and thickness 2 mm are melted together and cast into a solid block…QuestionA solid block of lead measuring 66 cm by 42 cm by 21 cm is melted and cast into spherical bullets…QuestionA hemispherical bowl of internal radius 9 cm is full of juice. The juice is poured into…QuestionA cone-shaped vessel of radius 9 cm and depth 20 cm is full of water. All the water is poured into…QuestionWater in a canal 6 m wide and 1.5 m deep flows at 10 km per hour. In 30 minutes, how many hectares…QuestionA flower pot is a frustum 14 cm deep whose top rim has radius 6 cm and whose base has radius 3 cm.…QuestionA bucket open at the top is a frustum 24 cm deep whose top radius is 28 cm and whose base radius…QuestionA right-angled triangle with legs 3 cm and 4 cm is spun once about its 4 cm leg, and then spun…QuestionA rectangle 7 cm by 12 cm is spun once about its 12 cm side. Find the volume of the solid formed,…QuestionA vessel is an upside-down cone of height 8 cm and radius 5 cm, filled to the brim with water.…QuestionThe largest possible cylinder is cut from a solid wooden cube of edge 14 cm. Find the ratio of the…QuestionThe area of a circle is doubled. By what percent does its radius grow? Take √2 = 1.414.QuestionIn triangle ABC the angle at B is a right angle, AB = 9 cm and AC = 41 cm. Find the area of the…QuestionAn isosceles triangle has perimeter 50 cm and each of its two equal sides is 13 cm long. Find its…QuestionA wire is bent into a square of side 33 cm. It is then straightened and bent again into a circle.…QuestionA goat is tied by a 14 m rope to a peg at one corner of a square field of side 30 m, and it grazes…
← Previous · Page 8 of 12 · Next →