SSC GD Constable previous year question
X alone can complete a work in 20 days and Y alone can complete the same work in 50 days. They start the work together but after 5 days X leaves the work. How much time will Y take to finish the remaining work?
Asked in SSC GD Constable 2024: 26 Feb 2024 Shift 4 · Quantitative Aptitude
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Correct answer: (D) 32.5 days
Combined 5 days: 5×(1/20+1/50)=0.35, leaving 0.65. Y alone finishes this in 0.65×50 = 32.5 days.
हिंदी में प्रश्न
X अकेले एक काम को 20 दिनों में पूरा कर सकता है और Y अकेले उसी काम को 50 दिनों में पूरा कर सकता है। वे दोनों एक साथ मिलकर काम शुरू करते हैं लेकिन 5 दिनों के बाद X काम छोड़ देता है। शेष काम को पूरा करने में Y को कितना समय लगेगा?
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सही उत्तर: (D) 37 दिन
Combined 5 days: 5×(1/20+1/50)=0.35, leaving 0.65. Y alone finishes this in 0.65×50 = 32.5 days.
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