Volume and Surface Area Practice Question and Answer

Q:

The total surface area of a cube is 864 square cm. What is his volume?

1530 0

  • 1
    216
    Correct
    Wrong
  • 2
    1728
    Correct
    Wrong
  • 3
    729
    Correct
    Wrong
  • 4
    512
    Correct
    Wrong
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Answer : 2. "1728"

Q:

The ratio of the radii of two wheels is 3: 4, then the ratio of their circumferences will be.

1506 0

  • 1
    2 : 3
    Correct
    Wrong
  • 2
    4 : 3
    Correct
    Wrong
  • 3
    3 : 4
    Correct
    Wrong
  • 4
    3 : 5
    Correct
    Wrong
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Answer : 3. "3 : 4"

Q:

If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?

1495 0

  • 1
    8:1
    Correct
    Wrong
  • 2
    27:64
    Correct
    Wrong
  • 3
    64:1
    Correct
    Wrong
  • 4
    64:27
    Correct
    Wrong
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Answer : 3. "64:1"

Q:

The radius of a semicircle is 35 cm, find its area and perimeter.

1493 0

  • 1
    1040 sq.cm and 140 cm
    Correct
    Wrong
  • 2
    1925 sq.cm and 180 cm
    Correct
    Wrong
  • 3
    1890 sq.cm and 90 cm
    Correct
    Wrong
  • 4
    1730 sq.cm and 90 cm/
    Correct
    Wrong
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Answer : 2. "1925 sq.cm and 180 cm "

Q:

A square pyramid with side 10 cm has a volume of 400 cm3. Find the total surface area of the pyramid.

1492 0

  • 1
    240 cm2
    Correct
    Wrong
  • 2
    300 cm2
    Correct
    Wrong
  • 3
    420 cm2
    Correct
    Wrong
  • 4
    360 cm2
    Correct
    Wrong
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Answer : 4. "360 cm2"

Q:

The area of triangle is half the area of square. The perimeter of the square is 224 cm. What is the area of triangle?

1489 0

  • 1
    1856 cm2
    Correct
    Wrong
  • 2
    1658 cm2
    Correct
    Wrong
  • 3
    1558 cm2
    Correct
    Wrong
  • 4
    1586 cm2
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 5. "None of these"
Explanation :

given 4a=224,

a=56, so that Area of square is=a2=56*56
so that Area of Triangle is a2/2=1568

Q:

The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is cm. If, what will be the area of the triangle?

1434 0

  • 1
    sq.cm
    Correct
    Wrong
  • 2
    sq.cm
    Correct
    Wrong
  • 3
    sq.cm
    Correct
    Wrong
  • 4
    sq.cm
    Correct
    Wrong
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Answer : 1. " sq.cm"

Q:

What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?

1412 0

  • 1
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 2. ""

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