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Mathematics

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Quizzes in Mathematics for Grade 8

A parallelogram has base 47 m and perpendicular height 10 m. Find its area.

  • 57 m²
  • 235 m²
  • 114 m²
  • 470 m²
Correct answer(s):
  • 470 m²

A triangle has base 40 mm and perpendicular height 11 mm. What is its area?

  • 220 mm²
  • 440 mm²
  • 25.5 mm²
  • 51 mm²
Correct answer(s):
  • 220 mm²

A square photo frame has side length 18 m. What is its perimeter?

  • 36 m
  • 324 m
  • 22 m
  • 72 m
Correct answer(s):
  • 72 m

A classroom notice board is 20 cm long and 13 cm wide. What is its perimeter?

  • 260 cm
  • 66 cm
  • 53 cm
  • 33 cm
Correct answer(s):
  • 66 cm

The area of a rectangle is 396 mm² and its breadth is 12 mm. What is the length?

  • 33 mm
  • 12 mm
  • 90 mm
  • 408 mm
Correct answer(s):
  • 33 mm

A rectangular garden is 15 m long and 8 m wide. What is its area?

  • 60 m²
  • 120 m²
  • 46 m²
  • 23 m²
Correct answer(s):
  • 120 m²

A rhombus has diagonals 60 m and 12 m. Find its area.

  • 36 m²
  • 720 m²
  • 360 m²
  • 72 m²
Correct answer(s):
  • 360 m²

The parallel sides of a trapezium are 30 cm and 38 cm, and the height is 10 cm. What is its area?

  • 11400 cm²
  • 39 cm²
  • 680 cm²
  • 340 cm²
Correct answer(s):
  • 340 cm²

A cube has edge length 43 m. What is its total surface area?

  • 11094 m²
  • 516 m²
  • 79507 m²
  • 7396 m²
Correct answer(s):
  • 11094 m²

Using π = 3.14, find the volume of a sphere with radius 12 cm.

  • 7234.56 cm³
  • 1808.64 cm³
  • 5425.92 cm³
  • 75.36 cm³
Correct answer(s):
  • 7234.56 cm³

A rectangular cardboard is 48 cm by 10 cm. A square of side 2 cm is cut from it. What area remains?

  • 480 cm²
  • 484 cm²
  • 108 cm²
  • 476 cm²
Correct answer(s):
  • 476 cm²

Using π = 3.14, find the volume of a cone with radius 9 mm and height 65 mm.

  • 16532.1 mm³
  • 5510.7 mm³
  • 254.34 mm³
  • 1836.9 mm³
Correct answer(s):
  • 5510.7 mm³

A semicircular window has radius 40 mm. Using π = 3.14, what is its area?

  • 1600 mm²
  • 5024 mm²
  • 251.2 mm²
  • 2512 mm²
Correct answer(s):
  • 2512 mm²

Using π = 3.14, find the circumference of a circle with radius 37 cm.

  • 4298.66 cm
  • 116.18 cm
  • 1369 cm
  • 232.36 cm
Correct answer(s):
  • 232.36 cm

Using π = 3.14, find the area of a circle with radius 34 m.

  • 1156 m²
  • 3629.84 m²
  • 213.71 m²
  • 106.76 m²
Correct answer(s):
  • 3629.84 m²

A rhombus has diagonals 58 cm and 10 cm. Find its area.

  • 290 cm²
  • 34 cm²
  • 580 cm²
  • 68 cm²
Correct answer(s):
  • 290 cm²

Which conversions are correct? Select all correct answers.

  • 1 m³ = 1,000,000 cm³
  • 1 m² = 100 cm²
  • 1 m³ = 1,000 cm³
  • 1 m² = 10,000 cm²
Correct answer(s):
  • 1 m³ = 1,000,000 cm³
  • 1 m² = 10,000 cm²

The parallel sides of a trapezium are 29 mm and 36 mm, and the height is 9 mm. What is its area?

  • 9396 mm²
  • 585 mm²
  • 37 mm²
  • 292.5 mm²
Correct answer(s):
  • 292.5 mm²

A floor is 74 m long and 11 m wide. If polishing costs 5 taka per m², what is the total cost?

  • 850 taka
  • 819 taka
  • 4070 taka
  • 4 units
Correct answer(s):
  • 4070 taka

A parallelogram has base 45 cm and perpendicular height 9 cm. Find its area.

  • 202.5 cm²
  • 405 cm²
  • 108 cm²
  • 54 cm²
Correct answer(s):
  • 405 cm²