एक काम को 40 मजदूर 20 दिनों में कर सकते हैं। यदि 10 दिन बाद 10 मजदूर और आ
जाएँ, तो वह काम कितने दिनों में समाप्त हो जायगा ?
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in 10 days in 10 days the work complete buy a 50 persons
mahatodinesh025:
please solve this question very urgently
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