If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)

• A. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-1.png">
• B. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-2.png">
• C. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-3.png">
• D. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-4.png">
• E. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-71-5.png">