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question_answer1) Find the area of metal sheet required to construct a cylindrical drum without top of height 3.5 meter and radius of the base 1.4 meter.
question_answer2) A toy is made by surmounting a cone on a hemisphere of radius 2.1 cm and height of the entire toy is 18 cm. Find the area of sheet required to make the toy.
question_answer3) A tent is made in such a way that the radius of the base is 1.4 m and height is 3.5 m and is surmounted by a cone whose radius is same as the radius of cylindrical part and height 2.1 m. Find the volume of air in the tent.
question_answer4) Find the total surface area of the water tank constructed by digging the earth whose length, breadth, and height are 16 m, 14 m, and 12 m respectively.
question_answer5) A tomb is constructed whose lower part is cylindrical and upper part is hemispherical. The radius of both the parts is 5.6 metre and the height of the cylindrical part is 6.3 metre. Find the inner curved surface area of the tomb.
question_answer6) A space ship is made in such a way that it is conical at one end, hemispherical at other end and cylindrical in middle. If the radius is 6 metre for each part while height of conical part is 2 metre and that of cylindrical part is 4 metre, then find the volume of space inside the space ship.
question_answer7) A shuttle cock has the shape of a frustum of a cone mounted on a hemisphere as shown in the figure given below. The entire surface area of the cock is:
question_answer8) Mr. Robert purchased a toy for his son Michael. The toy is in the form of hemisphere at one end and in the form of cone at the other end and cylindrical in the middle. The radius and height of the cylindrical part are 5 cm and 13 cm respectively. The radius of hemispherical and conical part is same as that of cylindrical part. If the total length of the toy is 40 cm, then find its total surface area.
question_answer9) Find the volume of the figure given below.
question_answer10) Find the curved surface area of a bucket whose slant height is 4 neter and circumference of its circular ends are 18 cm and 6 cm.
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