Ex 12.2 Class 10 Maths | Surface Areas & Volumes | Full Exercise Explained Step-by-Step

In this video, we’ll cover Exercise 12.2 from the Surface Areas and Volumes chapter (Class 10 Maths – CBSE 2026 Boards).
This exercise focuses on finding surface areas and volumes of combination of solids — a crucial concept for both NCERT and PYQs.

Get ready to understand each question step-by-step with clear explanation, logical approach, and diagrams that simplify complex shapes.

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Timestamps:
0:00 – Introduction
00:32 - Question 1, Ex 12.2
2:37 - Question 2, Ex 12.2
6:00 - Question 3, Ex 12.2
13:11 - Question 4, Ex 12.2
16:56 - Question 5, Ex 12.2
21:07 - Question 6, Ex 12.2
25:53 - Question 7, Ex 12.2
31:43 - Question 8, Ex 12.2

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🧮 What You’ll Learn:
• How to identify combined or composite solids
• Correct use of surface area and volume formulas
• Step-wise breakdown of each NCERT question
• Common mistakes to avoid in board exams

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🔗 Related Videos:

📘 Formulas Video:    • Surface Areas and Volumes Formulas | Class...  
📗 Ex 12.1 Video:    • Surface Area & Volume Examples | Class 10 ...  
📙 Examples Video:    • Ex 12.1 Surface Area & Volume | Class 10 M...  

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🔔 What’s Next:

Coming soon – Statistics and Oneshot videos on all chapters.
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