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Sixteen men can finish a work in 8 days....

Sixteen men can finish a work in 8 days. Eight men and nine women working together can finish the same work in 10 days. In how many days will twenty women finish the same work?
सोलह पुरुष किसी कार्य को 8 दिनों में पूरा कर सकते हैं | आठ पुरुष तथा नौ महिलाएं एक साथ कार्य करके इसी कार्य को 10 दिनों में पूरा कर सकती हैं | इस कार्य को 20 महिलाएं कितने दिनों में पूरा करेंगी ?

A

13

B

12

C

9

D

11

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