The maximum shear stress (q) in concrete of a reinforced cement concrete beam is

• A. <img src="/_files/images/civil-engineering/rcc-structures-design/70-13-22-1.png">
• B. <img src="/_files/images/civil-engineering/rcc-structures-design/70-13-22-2.png">
• C. <img src="/_files/images/civil-engineering/rcc-structures-design/70-13-22-3.png">
• D. <img src="/_files/images/civil-engineering/rcc-structures-design/70-13-22-4.png">
• E. <img src="/_files/images/civil-engineering/rcc-structures-design/70-13-22-5.png">