SSC GD Constable previous year question
Dinesh alone can do a work in 96 hours. Dinesh and Rahul together can do the same work in 48 hours. Rahul and Tarun together can do the same work in 16 hours. In how many hours can Tarun alone do the same work?
Asked in SSC GD Constable 2024: 22 Feb 2024 Shift 3 · Quantitative Aptitude
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Correct answer: (A) 19.2 hours
Dinesh's rate=1/96. D+R=1/48 ⟹ R=1/96. R+T=1/16 ⟹ T=1/16−1/96=5/96, giving Tarun 96/5=19.2 hours.
हिंदी में प्रश्न
दिनेश अकेले एक काम को 96 घंटे में पूरा कर सकता है। दिनेश और राहुल मिलकर उसी काम को 48 घंटे में कर सकते हैं। राहुल और तरूण मिलकर उसी काम को 16 घंटे में कर सकते हैं। तरूण अकेले उसी काम को कितने घंटों में कर सकता है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 28 घंटे
Dinesh's rate=1/96. D+R=1/48 ⟹ R=1/96. R+T=1/16 ⟹ T=1/16−1/96=5/96, giving Tarun 96/5=19.2 hours.
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