SSC GD Constable previous year question
After working for 8 days, Rakhi finds that only 10 percent of the work is completed. She employs Poonam who is 20 percent more efficient than Rakhi. How many more days will they together take to complete the remaining work?
Asked in SSC GD Constable 2024: 20 Feb 2024 Shift 1 · Quantitative Aptitude
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Correct answer: (A) 360/11 days
Rakhi's rate=1/80/day. Poonam's rate (20% more) = 3/200. Combined = 11/400. Remaining work = 0.9, taking (0.9)/(11/400) = 360/11 days.
हिंदी में प्रश्न
8 दिनों तक काम करने के बाद, राखी को पता चलता है कि अभी तक केवल 10 प्रतिशत काम पूरा हुआ है। वह पूनम को काम पर रखती है, जो राखी से 20 प्रतिशत अधिक कुशल है। शेष काम को पूरा करने में उन्हें कितने दिन और लगेंगे?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 360/11 दिन
Rakhi's rate=1/80/day. Poonam's rate (20% more) = 3/200. Combined = 11/400. Remaining work = 0.9, taking (0.9)/(11/400) = 360/11 days.
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