Mathematics : Time and Work

मजदूरों का एक समूह किसी कार्य को 10 दिन में करने का आश्वासन देता है लेकिन उनमें से 5 अनुपस्थित हो जाते हैं। यदि शेष मजदूर कार्य को 15 दिन में पूरा कर देते हैं, तो मजदूरों की मूल संख्या क्या थी? , A group of laborers assure to do a work in 10 days but 5 of them are absent. If the remaining laborers complete the work in 15 days, then what was the original number of workers?

A group of laborers assure to do a work in 10 days but 5 of them are absent. If the remaining laborers complete the work in 15 days, then what was the original number of workers?




Solution
C. 15



Explanation


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