Volume and Surface Area Questions Practice Question and Answer

Q:

A wire of length 60 m is used to enclose a field which is in the shape of a right - angled triangle. The area of the field is 150 m2 then, the largest side of the field has a length of: 

1666 0

  • 1
    30 meter
    Correct
    Wrong
  • 2
    20 meter
    Correct
    Wrong
  • 3
    25 meter
    Correct
    Wrong
  • 4
    15 meter
    Correct
    Wrong
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Answer : 3. "25 meter"

Q:

The base of a right circular cone has the same radius a as that of a sphere. Both the sphere and the Cone have the same volume. Height of the cone is:

1646 0

  • 1
    3a
    Correct
    Wrong
  • 2
    $$ {7\over4}a$$
    Correct
    Wrong
  • 3
    $$ {7\over3}a$$
    Correct
    Wrong
  • 4
    4a
    Correct
    Wrong
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Answer : 4. "4a"

Q:

A circular ground of radius  7 m is surrounded by a path of width 3.5 m. Find the area of path.

1613 0

  • 1
    202 sq.m
    Correct
    Wrong
  • 2
    154 sq.m
    Correct
    Wrong
  • 3
    192.5 sq.m
    Correct
    Wrong
  • 4
    346.5 sq.m
    Correct
    Wrong
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Answer : 3. "192.5 sq.m"

Q:

What is the volume of a cube whose side is 7.5 cm?

1602 0

  • 1
    421.875 cm3
    Correct
    Wrong
  • 2
    759.375 cm3
    Correct
    Wrong
  • 3
    631.81 cm3
    Correct
    Wrong
  • 4
    210.94 cm3
    Correct
    Wrong
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Answer : 1. "421.875 cm3"

Q:

A rectangular ground 16m long and 10m breadth. It has a gravel path 2.5m wide all around it on the outside. What is the area of the path?

1587 0

  • 1
    159 m²
    Correct
    Wrong
  • 2
    155 m²
    Correct
    Wrong
  • 3
    187 m²
    Correct
    Wrong
  • 4
    183 m²
    Correct
    Wrong
  • 5
    None of the Above
    Correct
    Wrong
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Answer : 2. "155 m²"

Q:

The height of a wall is six times its width and the length of the wall is seven times its height. If volume of the wall be 16128 cube m, its width is 

1579 0

  • 1
    5m
    Correct
    Wrong
  • 2
    4m
    Correct
    Wrong
  • 3
    4.5m
    Correct
    Wrong
  • 4
    6m
    Correct
    Wrong
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Answer : 2. "4m "

Q:

A circle and a rectangle have the same perimeter. The sides of rectangle are 18 cm and 26 cm then find out the area of circle?

1553 0

  • 1
    $$ {230cm^2}$$
    Correct
    Wrong
  • 2
    $$ {320cm^2}$$
    Correct
    Wrong
  • 3
    $$ {616cm^2}$$
    Correct
    Wrong
  • 4
    $$ {154cm^2}$$
    Correct
    Wrong
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Answer : 3. "$$ {616cm^2}$$"

Q:

The difference of the circumference and radius of a circle is 37 cm. Area of the circle is

1544 0

  • 1
    150 sq.cm
    Correct
    Wrong
  • 2
    84 sq.cm
    Correct
    Wrong
  • 3
    77 sq.cm
    Correct
    Wrong
  • 4
    154 sq.cm
    Correct
    Wrong
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Answer : 4. "154 sq.cm"

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