Practice Cuboid - 9.4.1 | 9. Mensuration | CBSE 8 Mathematics | Allrounder.ai
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the total surface area of a cuboid with dimensions 2 cm × 3 cm × 4 cm.

💡 Hint: Use the formula for total surface area.

Question 2

Easy

What is the lateral surface area of a cuboid with height 5 cm, length 6 cm, and width 4 cm?

💡 Hint: Remember to use the lateral surface area formula.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the formula for the total surface area of a cuboid?

  • 2(hl + lb + bh)
  • l × b × h
  • 4 × side²

💡 Hint: Remember the format includes multiplying by 2.

Question 2

True or False: The lateral surface area excludes the top and bottom faces.

  • True
  • False

💡 Hint: Think about what parts are visible when you look at the sides.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a rectangular garden shed shaped like a cuboid with a surface area of 300 sq.ft and a height of 10 ft. If the width is 8 ft, find the length of the shed.

💡 Hint: Rearrange the formula using the known dimensions.

Question 2

A package is designed as a cuboid with a volume of 2500 cm³. If the length is 25 cm and height is 5 cm, what will be its width?

💡 Hint: Use the volume formula and isolate width.

Challenge and get performance evaluation