PRACTICE SET 7.1 QUE 6 TO 12 MENSURATION

Описание: PRACTICE SET 7.1 QUE 6 TO 12 MENSURATION

0:11 QUE 6 :- Observe the measures of pots in figure 7.8 and 7.9. How many jugs of water can the cylindrical pot hold ?

4:53 QUE 7:- A cylinder and a cone have equal bases. The height of the cylinder is 3 cm and the area of its base is 100 cm2.The cone is placed upon the cylinder. Volume of the solid figure so formed is 500 cm3. Find the total height of the figure.

10:00 QUE 8:- In figure 7.11, a toy made from a hemisphere, a cylinder and a cone is shown. Find the total area of the toy.

15:00 QUE 9:- In the figure 7.12, a cylindrical wrapper of flat tablets is shown. The radius of a tablet is 7 mm and its thickness is 5 mm. How many such tablets are wrapped in the wrapper ?

18:46 QUE 10 :- Figure 7.13 shows a toy. Its lower part is a hemisphere and the upper part is a cone. Find the volume and the surface area of the toy from the measures shown in the figure.(p= 3.14)

25:37 QUE 11:- Find the surface area and the volume of a beach ball shown in the figure.

28:38 QUE 12 :- As shown in the figure, a cylindrical glass contains water. A metal sphere of diameter 2 cm is immersed in it. Find the volume of the water.