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JEE Main Mensuration: Perimeter and Area — practice questions

Explore 28 free Mensuration: Perimeter and Area questions in JEE Main Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Mensuration: Perimeter and Area questions and exercises with answers

Showing questions 1–28 of 28.

The outer surface of a cuboid is made up of how many rectangles?Read the answer and worked solution →The rectangular regions bounding a cuboid are called its:Read the answer and worked solution →The surface area of a cuboid with edges l, b and h is:Read the answer and worked solution →In the cuboid formula, l, b and h are its three:Read the answer and worked solution →A cuboid whose length, breadth and height are all equal is a:Read the answer and worked solution →Stacking circular sheets of paper vertically produces a right circular:Read the answer and worked solution →Solids generated by stacking congruent figures are called:Read the answer and worked solution →A cone is an example of a solid that is not a prism but a:Read the answer and worked solution →A cone can be generated by rotating a triangle that is:Read the answer and worked solution →The distance from the tip of a cone to a point on the rim of its base is the:Read the answer and worked solution →The curved surface area of a cone is pi times its slant height times its:Read the answer and worked solution →The slant height, height and base radius of a cone are linked by the theorem of:Read the answer and worked solution →In the cone triangle, the slant height plays the part of the:Read the answer and worked solution →The surface area of a sphere of radius r is:Read the answer and worked solution →Cutting a sphere into two equal halves gives two:Read the answer and worked solution →The curved surface area of a hemisphere is what fraction of the sphere's?Read the answer and worked solution →The curved surface area of a hemisphere of radius r is:Read the answer and worked solution →A solid hemisphere has how many faces?Read the answer and worked solution →The total surface area of a hemisphere of radius r is:Read the answer and worked solution →The r in the hemisphere formulas is the radius of the:Read the answer and worked solution →The study of surface areas is extended here to spheres and:Read the answer and worked solution →Quick picks on surface areasRead the answer and worked solution →Match each solid to its surface formulaRead the answer and worked solution →Prism or pyramidRead the answer and worked solution →Part of a cone or a sphereRead the answer and worked solution →Find a cone's curved surfaceRead the answer and worked solution →Fill the gaps on surface areasRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

The outer surface of a cuboid is made up of how many rectangles?

  1. Six
  2. Four
  3. Five
  4. Ten
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Correct answer: A. Six

1. A cuboid has a top, a bottom and four sides. 2. Each of these is a rectangle. 3. So its surface is made of six rectangles. _Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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The rectangular regions bounding a cuboid are called its:

  1. Ends
  2. Faces
  3. Edges
  4. Sides
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Correct answer: B. Faces

1. The six rectangles together make the outer surface. 2. Each one has its own name. 3. They are called the faces of the cuboid. _Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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The surface area of a cuboid with edges l, b and h is:

  1. 2(lb + bh + hl)
  2. lb + bh + hl
  3. 4(lb + bh + hl)
  4. 3(lb + bh + hl)
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Correct answer: A. 2(lb + bh + hl)

1. Opposite faces of a cuboid are equal in area. 2. So each of the three distinct face areas appears twice. 3. The total is 2 times lb plus bh plus hl. _Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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