Volume and Surface Area Questions Practice Question and Answer

Q:

What is the total CSA of cone whose radius is 3 cm and height is 4 cm? 

806 0

  • 1
    $$ { 24 π cm^2}$$
    Correct
    Wrong
  • 2
    $$ { 25 π cm^2}$$
    Correct
    Wrong
  • 3
    $$ { 28 π cm^2}$$
    Correct
    Wrong
  • 4
    $$ { 20 π cm^2}$$
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "$$ { 24 π cm^2}$$"

Q:

In the given figure, two squares shown in the figure have the arm of 12 cm and 8 cm. then find out the area of shaded part?

1458 0

  • 1
    19.2
    Correct
    Wrong
  • 2
    18.3
    Correct
    Wrong
  • 3
    19.6
    Correct
    Wrong
  • 4
    19.8
    Correct
    Wrong
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Answer : 1. "19.2"

Q:

By increasing the radius of a sphere by 50 percent, how much will the area of its surface increase?

1747 0

  • 1
    100%
    Correct
    Wrong
  • 2
    125 %
    Correct
    Wrong
  • 3
    150%
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "125 %"

Q:

The volume of a cube is $$ 512{cm}^{3}$$. Its surface area (in sq cm) is 

914 0

  • 1
    284
    Correct
    Wrong
  • 2
    384
    Correct
    Wrong
  • 3
    484
    Correct
    Wrong
  • 4
    576
    Correct
    Wrong
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Answer : 2. "384 "

Q:

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

1291 0

  • 1
    $$ {5544cm^2},1848 cm^2 $$
    Correct
    Wrong
  • 2
    $$ {1848cm^2},1232 cm^2 $$
    Correct
    Wrong
  • 3
    $$ {924cm^2},616 cm^2 $$
    Correct
    Wrong
  • 4
    $$ {2772cm^2},1848 cm^2 $$
    Correct
    Wrong
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Answer : 2. "$$ {1848cm^2},1232 cm^2 $$"

Q:

The volume of a sphere and an elliptical cylinder are the same. The radius of the sphere and cylinder are 21 cm and 14 cm respectively. What is the height of the cylinder?

1213 0

  • 1
    63 cm
    Correct
    Wrong
  • 2
    56 cm
    Correct
    Wrong
  • 3
    42 cm
    Correct
    Wrong
  • 4
    49 cm
    Correct
    Wrong
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Answer : 1. "63 cm"

Q:

PQRS is a parallelogram, Angle SPQ=60 Degree, QR=40 cm and PQ=10 cm, then find the area of the parallelogram.

2057 0

  • 1
    100√3 sq.cm
    Correct
    Wrong
  • 2
    200√3 sq.cm
    Correct
    Wrong
  • 3
    100 sq.cm
    Correct
    Wrong
  • 4
    500 sq.cm
    Correct
    Wrong
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Answer : 2. "200√3 sq.cm"

Q:

The wooden box measure 20 cm by 12 cm by 10 cm. Thickness of wood is 1 cm. The volume of wood to make the box (in cubic cm) is 

1124 0

  • 1
    960
    Correct
    Wrong
  • 2
    519
    Correct
    Wrong
  • 3
    2400
    Correct
    Wrong
  • 4
    1.120
    Correct
    Wrong
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Answer : 1. "960 "

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