AP Police Constable practice question
Sneha can complete a piece of work in 14 days and Meena can complete the same work in 18 days. Working together, in how many days will they complete the work?
From a AP Police Constable Reasoning practice set · Reasoning
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Correct answer: (B) 7.88 days
Sneha's 1-day work = 1/14; Meena's 1-day work = 1/18. Together, 1-day work = 1/14 + 1/18 = 63/8. So time taken = 8/63 = 7.88 days.
हिंदी में प्रश्न
Sneha एक काम को 14 दिनों में पूरा कर सकता है और Meena उसी काम को 18 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) 7.88 days
Sneha का 1 दिन का काम = 1/14; Meena का 1 दिन का काम = 1/18। दोनों मिलकर 1 दिन का काम = 1/14 + 1/18 = 63/8। अतः समय = 8/63 = 7.88 days।
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