SSC CGL Tier-II practice question
Rahul can complete a piece of work in 9 days and Anjali can complete the same work in 11 days. Working together, in how many days will they complete the work?
From a SSC CGL Tier-II Reasoning practice set · Reasoning
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Correct answer: (B) 4.95 days
Rahul's 1-day work = 1/9; Anjali's 1-day work = 1/11. Together, 1-day work = 1/9 + 1/11 = 99/20. So time taken = 20/99 = 4.95 days.
हिंदी में प्रश्न
Rahul एक काम को 9 दिनों में पूरा कर सकता है और Anjali उसी काम को 11 दिनों में पूरा कर सकता है। दोनों मिलकर काम करें तो वे काम कितने दिनों में पूरा करेंगे?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 4.95 days
Rahul का 1 दिन का काम = 1/9; Anjali का 1 दिन का काम = 1/11। दोनों मिलकर 1 दिन का काम = 1/9 + 1/11 = 99/20। अतः समय = 20/99 = 4.95 days।
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