Q. no 06: Find the volume of a cylinder whose height is 2 m and whose base area is 250 sq.m.
500 cubic metre
125 cubic metre
250 cubic metre
1000 cubic metre
Q. no 07: Find the volume (in cubic cm) of the iron used to make a hollow cylinder of height 10 cm and whose internal and external radii are 21 cm and 28 cm respectively.
11780
9780
12780
10780
Q. no 08: The volume of a solid right circular cone is 11088 cubic.cm. If its height is 24 cm then find the radius of the cone.
10.5 cm
63 cm
21 cm
42 cm
Q. no 09: The volume of a solid hemisphere is 1078 cubic.cm. Another hemisphere whose volume is two-third of the above is carved out. Find the radius of the new hemisphere in cm.
14
7
3.5
3
Q. no 10: If the ratio of radii of two spheres is 4:7, find the ratio of their volumes.
8:14
64:343
16:49
12:21
Answers
Answer:
Q. no 06: Find the volume of a cylinder whose height is 2 m and whose base area is 250 sq.m.
500 cubic metre
Q. no 07: Find the volume (in cubic cm) of the iron used to make a hollow cylinder of height 10 cm and whose internal and external radii are 21 cm and 28 cm respectively.
11780Q. no 08: The volume of a solid right circular cone is 11088 cubic.cm. If its height is 24 cm then find the radius of the cone.
10.5 cmQ. no 09: The volume of a solid hemisphere is 1078 cubic.cm. Another hemisphere whose volume is two-third of the above is carved out. Find the radius of the new hemisphere in cm.
14Q. no 10: If the ratio of radii of two spheres is 4:7, find the ratio of their volumes.
8:14
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