Using π = 22/7, find the volume of a sphere with radius 7 cm.
Correct answer(s):
- 1437.33 cm³
Subject
Mathematics
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Quizzes in Mathematics for Grade 8
Using π = 3.14, find the volume of a cone with radius 4 mm and height 80 mm.
Correct answer(s):
- 1339.73 mm³
Using π = 3.14, find the curved surface area of a cylinder with radius 12 m and height 74 m.
Correct answer(s):
- 5576.64 m²
Using π = 3.14, find the volume of a cylinder with radius 12 mm and height 70 mm.
Correct answer(s):
- 31651.2 mm³
A cuboid measures 68 cm × 5 cm × 10 cm. What is its total surface area?
Correct answer(s):
- 2140 cm²
A cuboid has length 67 m, breadth 7 m, and height 8 m. Find its volume.
Correct answer(s):
- 3752 m³
A cube-shaped box has each edge 59 mm. What is its volume?
Correct answer(s):
- 205379 mm³
A cube has edge length 57 cm. What is its total surface area?
Correct answer(s):
- 19494 cm²
Convert 78 m³ into cm³.
Correct answer(s):
- 78000000 cm³
A square tile has side length 31 mm. What is the area of the tile?
Correct answer(s):
- 961 mm²
A classroom notice board is 33 m long and 14 m wide. What is its perimeter?
Correct answer(s):
- 94 m
The area of a rectangle is 504 cm² and its breadth is 7 cm. What is the length?
Correct answer(s):
- 72 cm
A rectangular garden is 41 mm long and 10 mm wide. What is its area?
Correct answer(s):
- 410 mm²
A floor is 87 m long and 14 m wide. If polishing costs 10 taka per m², what is the total cost?
Correct answer(s):
- 12180 taka
Convert 78 m² into cm².
Correct answer(s):
- 780000 cm²
Using π = 3.14, find the volume of a sphere with radius 6 mm.
Correct answer(s):
- 904.32 mm³
Using π = 3.14, find the volume of a cone with radius 3 m and height 79 m.
Correct answer(s):
- 744.18 m³
A rectangular cardboard is 62 mm by 8 mm. A square of side 4 mm is cut from it. What area remains?
Correct answer(s):
- 480 mm²
Using π = 3.14, find the curved surface area of a cylinder with radius 11 cm and height 73 cm.
Correct answer(s):
- 5042.84 cm²
A semicircular window has radius 54 m. Using π = 3.14, what is its area?
Correct answer(s):
- 4578.12 m²