SBI Clerk Prelims practice question
Suresh can complete a piece of work in 9 days and Meena can complete the same work in 11 days. Working together, in how many days will they complete the work?
From a SBI Clerk Prelims Reasoning practice set · Reasoning
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Correct answer: (A) 4.95 days
Suresh's 1-day work = 1/9; Meena'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
Suresh एक काम को 9 दिनों में पूरा कर सकता है और Meena 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: (A) 4.95 days
Suresh का 1 दिन का काम = 1/9; Meena 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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