Question:
What is the thickness of a one brick thick wall ?
What is the thickness of a one brick thick wall ?
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The length of a standard brick is about 9 inches, and a one-brick-thick wall is laid with this length across the wall.
Updated On: Nov 12, 2026
- 4.5"
- 9"
- 13.5"
- 12"
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: A standard brick is about 9 inches long, 4.5 inches wide and 3 inches high (nominal size 9" x 4.5" x 3").
Step 2: A half-brick wall has the thickness of the width of the brick, 4.5 inches.
Step 3: A one-brick thick wall is built with the bricks laid with their length across the thickness of the wall, so its thickness equals the length of the brick, that is 9 inches.
Step 4: A one-and-a-half brick wall is 13.5 inches thick. Hence the answer is 9".
Answer: (2) 9"
Step 2: A half-brick wall has the thickness of the width of the brick, 4.5 inches.
Step 3: A one-brick thick wall is built with the bricks laid with their length across the thickness of the wall, so its thickness equals the length of the brick, that is 9 inches.
Step 4: A one-and-a-half brick wall is 13.5 inches thick. Hence the answer is 9".
Answer: (2) 9"
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