A simply supported beam AB of span 'l' has a form cross-section throughout. It carries a central concentrated load W and another load which is uniformly distributed over the entire span, its total magnitude being W. The minimum deflection in the beam is

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-1.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-2.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-3.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-4.png">