A certain number of men can finish a work in 100 days. If however there were 10 men less, it would take another 10 days to finish the work. How many men were there originally? एक निश्चित संख्या में पुरुष 100 दिनों में एक काम पूरा कर सकते हैं। हालांकि अगर 10 आदमी कम थे, तो काम खत्म होने में 10 दिन और लगेंगे। मूल रूप से वहां कितने आदमी थे?
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