SSC GD Constable previous year question
A can do a piece of work in 32 days and B in 48 days. They work together for 8 days and then A goes away. In how much time (in days) will B finish the 60% of the remaining work?
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 1 · Quantitative Aptitude
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Correct answer: (C) 16 4/5
Combined rate = 1/32+1/48 = 5/96 per day. In 8 days, 40/96 = 5/12 done; remaining = 7/12. 60% of remaining = 7/20. Time for B = (7/20)/(1/48) = 16 4/5 days.
हिंदी में प्रश्न
A एक कार्य को 32 दिनों में और B 48 दिनों में कर सकता है। वे 8 दिनों तक एक साथ कार्य करते हैं और फिर A चला जाता है। शेष कार्य का 60% पूरा करने में B को कितना समय (दिनों में) लगेगा?
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सही उत्तर: (C) 16 4/5
संयुक्त दर = 1/32+1/48 = 5/96 प्रतिदिन। 8 दिनों में 40/96 = 5/12 कार्य पूरा; शेष = 7/12। शेष का 60% = 7/20। B के लिए समय = (7/20)/(1/48) = 16 4/5 दिन।
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