A floor is 74 m long and 11 m wide. If polishing costs 5 taka per m², what is the total cost?
Correct answer(s):
- 4070 taka
Subject
Mensuration
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Quizzes in Mensuration for Grade 8
A parallelogram has base 45 cm and perpendicular height 9 cm. Find its area.
Correct answer(s):
- 405 cm²
Convert 64 m³ into cm³.
Correct answer(s):
- 64000000 cm³
A triangle has base 38 m and perpendicular height 10 m. What is its area?
Correct answer(s):
- 190 m²
Using π = 3.14, find the volume of a sphere with radius 3 m.
Correct answer(s):
- 113.04 m³
A square tile has side length 17 cm. What is the area of the tile?
Correct answer(s):
- 289 cm²
Using π = 3.14, find the volume of a cone with radius 10 cm and height 66 cm.
Correct answer(s):
- 6908 cm³
A classroom notice board is 19 mm long and 12 mm wide. What is its perimeter?
Correct answer(s):
- 62 mm
Using π = 22/7, find the curved surface area of a cylinder with radius 7 mm and height 60 mm.
Correct answer(s):
- 2640 mm²
The area of a rectangle is 330 m² and its breadth is 11 m. What is the length?
Correct answer(s):
- 30 m
Using π = 3.14, find the volume of a cylinder with radius 8 cm and height 56 cm.
Correct answer(s):
- 11253.76 cm³
A rectangular garden is 13 cm long and 7 cm wide. What is its area?
Correct answer(s):
- 91 cm²
A cuboid measures 54 m × 3 m × 4 m. What is its total surface area?
Correct answer(s):
- 780 m²
Which formulae are used for a cylinder? Select all correct answers.
Correct answer(s):
- Curved surface area = 2πrh
- Volume = πr²h
A cuboid has length 53 mm, breadth 7 mm, and height 3 mm. Find its volume.
Correct answer(s):
- 1113 mm³
A floor is 73 m long and 10 m wide. If polishing costs 4 taka per m², what is the total cost?
Correct answer(s):
- 2920 taka
A triangle has base 36 cm and perpendicular height 9 cm. What is its area?
Correct answer(s):
- 162 cm²
A square photo frame has side length 16 mm. What is its perimeter?
Correct answer(s):
- 64 mm
A classroom notice board is 18 m long and 11 m wide. What is its perimeter?
Correct answer(s):
- 58 m
Using π = 3.14, find the curved surface area of a cylinder with radius 15 m and height 59 m.
Correct answer(s):
- 5557.8 m²