A room has four walls, each measuring 10 feet wide by 8 feet high. What is the total wall area?
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Correct answer to question 116 (Arithmetic Reasoning): 320 square feet
Method
Each wall covers 10 x 8 = 80 square feet, and four of them give 320 square feet. This is the figure a painter starts from before deducting doors and windows.
Updated: November 2026