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JEE Main Mensuration: Surface Areas & Volumes — practice questions — page 3

Explore 69 free Mensuration: Surface Areas & Volumes questions in JEE Main Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Mensuration: Surface Areas & Volumes questions and exercises with answers

Showing questions 61–69 of 69.

Painting the outside of a toy needs to be worked out from its:Read the answer and worked solution →True or false on solidsRead the answer and worked solution →Quick picks on solidsRead the answer and worked solution →Match each solid to its make upRead the answer and worked solution →Area or volumeRead the answer and worked solution →Basic solid or built upRead the answer and worked solution →Make a frustumRead the answer and worked solution →Fill the gaps on solidsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Painting the outside of a toy needs to be worked out from its:

  1. Total volume
  2. Slant height
  3. Base radius
  4. Surface area
Show answer and solution

Correct answer: D. Surface area

1. Paint covers the outside of the toy and nothing else. 2. The quantity needed depends on how much outside there is. 3. So the surface area of the toy is what must be found. _Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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True or false on solids

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Questions
  1. Statement is true
    Yes
    Statement
    A capsule is a cylinder with two hemispheres.
  2. Statement is true
    No
    Statement
    Joined flat faces still show on the outside.
  3. Statement is true
    Yes
    Statement
    Volumes of joined solids add up.
  4. Statement is true
    No
    Statement
    Recasting a candle changes its volume.
  5. Statement is true
    Yes
    Statement
    A frustum has two circular ends.
  6. Statement is true
    No
    Statement
    The two frustum radii are equal.
Instructions
Decide whether each statement is true or false.
_Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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Quick picks on solids

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Questions
  1. Question
    TSA stands for total surface:
    Choices
    1. Area
    2. Angle
    3. Amount
    Correct choice
    Area
  2. Question
    A cone cut parallel to its base gives a:
    Choices
    1. Prism
    2. Frustum
    3. Sphere
    Correct choice
    Frustum
  3. Question
    Candles are generally shaped like a:
    Choices
    1. Cube
    2. Cone
    3. Cylinder
    Correct choice
    Cylinder
  4. Question
    Joining two solids adds up their:
    Choices
    1. Volumes
    2. Radii
    3. Heights
    Correct choice
    Volumes
  5. Question
    A round bottomed toy joins a cone to a:
    Choices
    1. Cube
    2. Hemisphere
    3. Prism
    Correct choice
    Hemisphere
Instructions
Tap the correct answer before the round moves on.
_Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._

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