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18 men can complete a work in 9 days. Af...

18 men can complete a work in 9 days. After they have worked for 5 days, 6 more men join them. How many days will they take to complete the remaining work ?
18 पुरुष किसी कार्य को 9 दिनों में पूरा कर सकते हैं | उनके 5 दिनों तक कार्य कर लेने के बाद, 6 अतिरिक्त पुरुष उनके साथ हो गए | शेष कार्य करने में उन्हें कितना समय लगेगा ?

A

3

B

`2 1/2`

C

2

D

`3 1/2`

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