A propped cantilever of span 'l' carries uniformly distributed load of 'w' per unit over its entire span. The value of prop react to keep the beam horizontal is

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-1.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-2.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-3.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-4.png">