Given that T represents the tread and R represents the rise of a staircase, which of the following equations correctly relates these measurements?

RCC Structures Design MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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RCC Structures Designcivil-engineering-mcqs › rcc-structures-design
Published
14 Jan 2019
Last updated
28 May 2026

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Explanation

The correct relationship between the rise (R) and tread (T) of a stair is given by the formula 2R + T = 60. This equation helps in designing comfortable and safe stairs by maintaining an appropriate balance between the vertical rise and horizontal tread.

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